Chemistry MCQs

Organic Chemistry MCQs with Answers

Which of the following is not a functional group in organic chemistry?
a) Aldehyde
b) Carboxylic acid
c) Chlorine
d) Amine
Answer: c) Chlorine

What is the IUPAC name of the compound with the molecular formula CH3CH2COOH?
a) Propanoic acid
b) Ethanoic acid
c) Butanoic acid
d) Acetic acid
Answer: a) Propanoic acid

Which of the following is a secondary alcohol?
a) Methanol
b) Ethanol
c) Isopropanol
d) 1-Propanol
Answer: c) Isopropanol

Which of the following is an example of an aromatic compound?
a) Ethene
b) Ethyne
c) Benzene
d) Butane
Answer: c) Benzene

Which of the following reactions is an example of a substitution reaction in organic chemistry?
a) Addition
b) Elimination
c) Polymerization
d) Halogenation
Answer: d) Halogenation

What is the correct structure of 2-methylbutane?
a) CH3CH2CH(CH3)2
b) CH3CH2CH2CH3
c) CH3CH(CH3)CH2CH3
d) CH3CH(CH3)CH3
Answer: c) CH3CH(CH3)CH2CH3

Which of the following is an example of a reducing agent in organic chemistry?
a) Alkene
b) Alkyne
c) Grignard reagent
d) Carboxylic acid
Answer: c) Grignard reagent

What is the general formula for an alkane?
a) CnH2n+2
b) CnH2n
c) CnH2n-2
d) CnH2n-4
Answer: a) CnH2n+2

What is the name of the reaction in which an alcohol reacts with a carboxylic acid to form an ester?
a) Esterification
b) Saponification
c) Hydrolysis
d) Dehydration
Answer: a) Esterification

Which of the following is a primary amine?
a) Ethylamine
b) Diethylamine
c) Triethylamine
d) Aniline
Answer: a) Ethylamine

What is the name of the reaction in which an alkene reacts with hydrogen to form an alkane?
a) Hydrogenation
b) Halogenation
c) Dehydration
d) Polymerization
Answer: a) Hydrogenation

Which of the following is an example of a secondary halogenoalkane?
a) CH3Cl
b) CH3Br
c) CH3I
d) CH3F
Answer: b) CH3Br

What is the IUPAC name of the compound with the molecular formula C6H5OH?
a) Phenol
b) Ethanol
c) Methanol
d) Butanol
Answer: a) Phenol

Which of the following is an example of a monosaccharide?
a) Sucrose
b) Lactose
c) Glucose
d) Starch
Answer: c) Glucose

What is the functional group present in an aldehyde?
a) Carbonyl
b) Hydroxyl
c) Carboxyl
d) Amine
Answer: a) Carbonyl

Which of the following is an example of a nucleophile in organic chemistry?
a) Grignard reagent
b) Alkene
c) Alkyne
d) Aromatic compound
Answer: a) Grignard reagent

What is the IUPAC name of the compound with the molecular formula CH3CH2CH2NH2?
a) Propylamine
b) Ethylamine
c) Methylamine
d) Butylamine
Answer: a) Propylamine

Which of the following is an example of an aromatic heterocycle?
a) Pyridine
b) Benzene
c) Ethene
d) Butane
Answer: a) Pyridine

What is the correct structure of butanoic acid?
a) CH3CH2CH2COOH
b) CH3CH2COOH
c) CH3COOH
d) CH3CH2CH2OH
Answer: a) CH3CH2CH2COOH

Which of the following is an example of a polymerization reaction in organic chemistry?
a) Condensation
b) Hydrolysis
c) Addition
d) Free radical polymerization
Answer: d) Free radical polymerization

What is the name of the reaction in which an alcohol reacts with a carboxylic acid to form an ester?
a) Esterification
b) Saponification
c) Hydrolysis
d) Decarboxylation
Answer: a) Esterification

Which of the following is a primary alcohol?
a) CH3CH2OH
b) CH3OH
c) CH3CH2CH2OH
d) CH3CH2CH2CH2OH
Answer: a) CH3CH2OH

What is the IUPAC name of the compound with the molecular formula CH3COCH3?
a) Acetaldehyde
b) Acetone
c) Ethanol
d) Methanol
Answer: b) Acetone

Which of the following is an example of a dipeptide?
a) Glucose
b) Sucrose
c) Alanine
d) Lactose
Answer: c) Alanine

What is the functional group present in a ketone?
a) Carbonyl
b) Hydroxyl
c) Carboxyl
d) Amine
Answer: a) Carbonyl

Which of the following is an example of a reducing agent in organic chemistry?
a) Lithium aluminum hydride (LiAlH4)
b) Sodium bicarbonate (NaHCO3)
c) Potassium permanganate (KMnO4)
d) Sulfuric acid (H2SO4)
Answer: a) Lithium aluminum hydride (LiAlH4)

What is the IUPAC name of the compound with the molecular formula C5H10?
a) Butane
b) Pentane
c) Hexane
d) Propane
Answer: b) Pentane

Which of the following is an example of a nucleophilic substitution reaction?
a) E1 reaction
b) E2 reaction
c) SN1 reaction
d) SN2 reaction
Answer: d) SN2 reaction

What is the correct structure of acetic acid?
a) CH3COOH
b) CH3CH2COOH
c) CH3COCH3
d) CH3CH2OH
Answer: a) CH3COOH

Which of the following is an example of a condensation reaction in organic chemistry?
a) Esterification
b) Hydrolysis
c) Reduction
d) Oxidation
Answer: a) Esterification

What is the product formed when benzene reacts with chlorine in the presence of a catalyst?
a) Benzene
b) Chlorobenzene
c) Phenol
d) Benzoic acid
Answer: b) Chlorobenzene

What is the functional group present in an aldehyde?
a) Carbonyl
b) Hydroxyl
c) Carboxyl
d) Amine
Answer: a) Carbonyl

Which of the following is an example of a secondary alcohol?
a) CH3CH2CH2OH
b) CH3CH2OH
c) CH3CH2CH2CH2OH
d) CH3OH
Answer: a) CH3CH2CH2OH

What is the IUPAC name of the compound with the molecular formula C6H12O6?
a) Glucose
b) Fructose
c) Sucrose
d) Maltose
Answer: a) Glucose

Which of the following is an example of a substitution reaction in organic chemistry?
a) Addition
b) Elimination
c) Rearrangement
d) SN1 reaction
Answer: d) SN1 reaction

What is the name of the reaction in which an alkene reacts with hydrogen gas to form an alkane?
a) Hydrolysis
b) Reduction
c) Oxidation
d) Dehydration
Answer: b) Reduction

Which of the following is an example of a natural polymer?
a) Polyethylene
b) Polyvinyl chloride (PVC)
c) Starch
d) Polystyrene
Answer: c) Starch

What is the IUPAC name of the compound with the molecular formula CH3CH2CH2COOH?
a) Acetic acid
b) Butanoic acid
c) Propanoic acid
d) Formic acid
Answer: b) Butanoic acid

Which of the following is an example of a protecting group in organic chemistry?
a) Methanol
b) Acetyl chloride
c) Triphenylphosphine
d) Acetone
Answer: c) Triphenylphosphine

What is the major product obtained when an alkene reacts with hydrogen halide in the presence of a catalyst?
a) Alkane
b) Alkene
c) Haloalkane
d) Alcohol
Answer: c) Haloalkane

Which of the following is an example of a secondary amine?
a) CH3NH2
b) (CH3)2NH
c) CH3CH2NH2
d) (CH3)3N
Answer: b) (CH3)2NH

What is the product formed when ethanol reacts with acetic acid in the presence of a strong acid catalyst?
a) Ethanoic acid
b) Acetaldehyde
c) Ethyl acetate
d) Ethanolamine
Answer: c) Ethyl acetate

What is the IUPAC name of the compound with the molecular formula C4H10?
a) Methane
b) Ethane
c) Propane
d) Butane
Answer: d) Butane

Which of the following is a type of isomerism in organic chemistry?
a) Structural isomerism
b) Electromeric isomerism
c) Optical isomerism
d) All of the above
Answer: d) All of the above

Which of the following is an example of a reagent used for oxidizing primary alcohols to aldehydes?
a) Jones reagent
b) Tollens’ reagent
c) Grignard reagent
d) Lucas reagent
Answer: a) Jones reagent

What is the major product obtained when an alkene reacts with water in the presence of an acid catalyst?
a) Alcohol
b) Alkane
c) Alkene
d) Ether
Answer: a) Alcohol

What is the name of the reaction in which a carboxylic acid reacts with an alcohol to form an ester?
a) Dehydration
b) Hydrolysis
c) Esterification
d) Saponification
Answer: c) Esterification

Which of the following is an example of a bioorganic compound?
a) Ethanol
b) Glucose
c) Acetone
d) Benzene
Answer: b) Glucose

What is the IUPAC name of the compound with the molecular formula C6H5OH?
a) Phenol
b) Toluene
c) Benzoic acid
d) Ethanol
Answer: a) Phenol

Which of the following is an example of a synthetic polymer?
a) Cellulose
b) Chitin
c) Polyethylene
d) Amylose
Answer: c) Polyethylene

What is the product formed when an alkene reacts with hydrogen gas in the presence of a metal catalyst?
a) Alcohol
b) Alkane
c) Alkene
d) Ether
Answer: b) Alkane

Which of the following is a characteristic feature of aromatic compounds?
a) High reactivity
b) Absence of double bonds
c) Planar structure
d) Lack of resonance
Answer: c) Planar structure

What is the major product obtained when a primary alcohol reacts with a strong oxidizing agent?
a) Aldehyde
b) Ketone
c) Carboxylic acid
d) Ester
Answer: c) Carboxylic acid

Which of the following is a type of reaction in which a halogen atom is replaced by an alkyl group in an organic compound?
a) Substitution
b) Elimination
c) Addition
d) Rearrangement
Answer: a) Substitution

What is the IUPAC name of the compound with the molecular formula CH3CH2CHO?
a) Ethanal
b) Propanal
c) Butanal
d) Pentanal
Answer: a) Ethanal

Which of the following is a reagent used for reducing a ketone to an alcohol?
a) Lithium aluminum hydride (LiAlH4)
b) Jones reagent
c) Tollens’ reagent
d) Grignard reagent
Answer: a) Lithium aluminum hydride (LiAlH4)

What is the product formed when an alkene reacts with hydrogen halide in the presence of a peroxide?
a) Alkane
b) Alkene
c) Alkyl halide
d) Alcohol
Answer: c) Alkyl halide

Which of the following is an example of a naturally occurring organic acid?
a) Acetone
b) Benzoic acid
c) Formaldehyde
d) Acetophenone
Answer: b) Benzoic acid

What is the IUPAC name of the compound with the molecular formula C2H5Br?
a) Ethane
b) Ethene
c) Ethanol
d) Ethyl bromide
Answer: d) Ethyl bromide

Which of the following is a type of isomerism in which the spatial arrangement of atoms in a molecule is different?
a) Structural isomerism
b) Tautomeric isomerism
c) Geometric isomerism
d) Conformational isomerism
Answer: c) Geometric isomerism

Which of the following is the functional group present in an ester?
a) Carbonyl
b) Hydroxyl
c) Carboxyl
d) Alkyl
Answer: a) Carbonyl

What is the product obtained when an alcohol reacts with a carboxylic acid in the presence of an acid catalyst?
a) Ester
b) Amide
c) Ether
d) Anhydride
Answer: a) Ester

Which of the following is a common reagent used for the oxidation of primary alcohols to aldehydes?
a) Jones reagent
b) Tollens’ reagent
c) PCC (pyridinium chlorochromate)
d) LiAlH4 (lithium aluminum hydride)
Answer: c) PCC (pyridinium chlorochromate)

What is the reaction called when an alcohol reacts with an acid to form an ester and water molecule?
a) Hydrolysis
b) Dehydration
c) Reduction
d) Substitution
Answer: b) Dehydration

Which of the following is a strong base commonly used in E2 (elimination) reactions?
a) NaOH (sodium hydroxide)
b) KOH (potassium hydroxide)
c) LiOH (lithium hydroxide)
d) NH3 (ammonia)
Answer: b) KOH (potassium hydroxide)

What is the product formed when an alkyl halide reacts with sodium metal in dry ether?
a) Alkane
b) Alkene
c) Alkyne
d) Alkyl radical
Answer: d) Alkyl radical

What is the IUPAC name of the compound with the molecular formula C6H5OH?
a) Phenol
b) Ethanol
c) Methanol
d) Benzoic acid
Answer: a) Phenol

Which of the following is a type of polymerization in which monomers with double bonds react to form a polymer?
a) Addition polymerization
b) Condensation polymerization
c) Copolymerization
d) Emulsion polymerization
Answer: a) Addition polymerization

What is the product formed when an aldehyde reacts with a primary amine in the presence of an acid catalyst?
a) Ketone
b) Ester
c) Amide
d) Imine
Answer: d) Imine

Which of the following is a reagent used for distinguishing between aldehydes and ketones?
a) Tollen’s reagent
b) Fehling’s solution
c) Lucas reagent
d) Grignard reagent
Answer: a) Tollen’s reagent

Which of the following is the product obtained when a primary alcohol reacts with a halogen acid (HX)?
a) Aldehyde
b) Ketone
c) Ester
d) Alkyl halide
Answer: d) Alkyl halide

Which of the following is a common reagent used for the reduction of aldehydes and ketones to alcohols?
a) LiAlH4 (lithium aluminum hydride)
b) PCC (pyridinium chlorochromate)
c) NaOH (sodium hydroxide)
d) KMnO4 (potassium permanganate)
Answer: a) LiAlH4 (lithium aluminum hydride)

What is the product formed when a secondary alcohol is oxidized?
a) Ketone
b) Aldehyde
c) Carboxylic acid
d) Ester
Answer: a) Ketone

What is the IUPAC name of the compound with the molecular formula CH3COOH?
a) Ethanoic acid
b) Methanoic acid
c) Propanoic acid
d) Butanoic acid
Answer: a) Ethanoic acid

Which of the following is a reaction in which a molecule is broken down into smaller molecules by the addition of water?
a) Hydrogenation
b) Hydration
c) Dehydration
d) Hydrolysis
Answer: d) Hydrolysis

What is the product formed when an alkyl halide reacts with sodium or potassium cyanide (NaCN or KCN)?
a) Alkane
b) Alkene
c) Nitrile
d) Amine
Answer: c) Nitrile

Which of the following is a reaction in which a nucleophile attacks an electrophile and forms a new bond, while the leaving group departs with an electron pair?
a) Substitution
b) Addition
c) Elimination
d) Rearrangement
Answer: a) Substitution

Which of the following is a reagent used for converting an alcohol to an alkene?
a) PBr3 (phosphorus tribromide)
b) NaOH (sodium hydroxide)
c) H2SO4 (sulfuric acid)
d) NaBH4 (sodium borohydride)
Answer: a) PBr3 (phosphorus tribromide)

What is the product formed when an aldehyde reacts with a secondary amine in the presence of an acid catalyst?
a) Ketone
b) Ester
c) Amide
d) Imine
Answer: c) Amide

Which of the following is a type of reaction in which two or more molecules combine to form a larger molecule with the elimination of a small molecule such as water or methanol?
a) Condensation
b) Reduction
c) Oxidation
d) Hydrolysis
Answer: a) Condensation

What is the product obtained when an alkene reacts with hydrogen gas (H2) in the presence of a catalyst?
a) Alkane
b) Alcohol
c) Carboxylic acid
d) Ester
Answer: a) Alkane

What is the term used to describe a reaction in which a molecule is converted into a different isomer by rearranging its atoms?
a) Substitution
b) Elimination
c) Isomerization
d) Addition
Answer: c) Isomerization

What is the IUPAC name of the compound with the molecular formula CH3CH2COCH3?
a) Propanone
b) Butanone
c) Ethyl methyl ketone
d) Diethyl ketone
Answer: c) Ethyl methyl ketone

What is the product formed when a carboxylic acid reacts with an alcohol in the presence of an acid catalyst?
a) Ester
b) Aldehyde
c) Amide
d) Ketone
Answer: a) Ester

Which of the following is a type of reaction in which a molecule loses a small molecule, usually water, to form a new compound?
a) Reduction
b) Dehydration
c) Hydrolysis
d) Oxidation
Answer: b) Dehydration

What is the product obtained when a primary amine reacts with a carboxylic acid in the presence of an acid catalyst?
a) Amide
b) Ester
c) Imine
d) Enamine
Answer: a) Amide

Which of the following is a reagent used for the reduction of a nitro group (-NO2) to an amine group (-NH2)?
a) NaBH4 (sodium borohydride)
b) LiAlH4 (lithium aluminum hydride)
c) PCC (pyridinium chlorochromate)
d) H2O2 (hydrogen peroxide)
Answer: b) LiAlH4 (lithium aluminum hydride)

What is the product formed when an alcohol is dehydrated in the presence of a strong acid catalyst?
a) Alkane
b) Alkene
c) Alcohol
d) Carboxylic acid
Answer: b) Alkene

Which of the following is a type of reaction in which a molecule gains oxygen or loses hydrogen?
a) Reduction
b) Dehydration
c) Hydrolysis
d) Oxidation
Answer: d) Oxidation

What is the product obtained when an alkyl halide reacts with a strong base, such as sodium or potassium hydroxide (NaOH or KOH)?
a) Alcohol
b) Alkene
c) Alkyne
d) Amine
Answer: a) Alcohol

What is the reaction mechanism of an electrophilic aromatic substitution reaction involving an aromatic compound?
a) Nucleophilic attack
b) Radical substitution
c) Electrophilic attack
d) Acid-base reaction
Answer: c) Electrophilic attack

Which of the following is the correct order of reactivity for alkyl halides in nucleophilic substitution reactions?
a) Primary > Secondary > Tertiary
b) Tertiary > Secondary > Primary
c) Secondary > Primary > Tertiary
d) Tertiary > Primary > Secondary
Answer: a) Primary > Secondary > Tertiary

What is the product formed when an aldehyde reacts with a primary alcohol in the presence of a catalyst?
a) Ketone
b) Ester
c) Hemiacetal
d) Acetal
Answer: d) Acetal

What is the IUPAC name of the compound with the molecular formula C6H5OH?
a) Phenol
b) Ethanol
c) Methanol
d) Benzene
Answer: a) Phenol

Which of the following is a type of reaction in which a compound is broken down into smaller fragments by heating with an acid or a base?
a) Esterification
b) Decarboxylation
c) Dehydration
d) Deprotonation
Answer: b) Decarboxylation

What is the product formed when a Grignard reagent reacts with an ester?
a) Alcohol
b) Alkane
c) Carboxylic acid
d) Ketone
Answer: d) Ketone

Which of the following is a reagent used for the oxidation of primary alcohols to aldehydes or carboxylic acids?
a) NaBH4 (sodium borohydride)
b) PCC (pyridinium chlorochromate)
c) LiAlH4 (lithium aluminum hydride)
d) H2O2 (hydrogen peroxide)
Answer: b) PCC (pyridinium chlorochromate)

What is the product obtained when a secondary amine reacts with a ketone in the presence of an acid catalyst?
a) Imine
b) Enamine
c) Amide
d) Ester
Answer: b) Enamine

Which of the following is a type of reaction in which a compound is reduced by gaining hydrogen or losing oxygen?
a) Oxidation
b) Dehydration
c) Hydrolysis
d) Reduction
Answer: d) Reduction

What is the product formed when an alkyne undergoes catalytic hydrogenation?
a) Alkane
b) Alkene
c) Alcohol
d) Ketone
Answer: a) Alkane

Which of the following is an example of an electrophilic addition reaction?
a) Esterification
b) Substitution
c) Reduction
d) Hydrogenation
Answer: d) Hydrogenation

What is the product formed when an aldehyde reacts with a primary amine in the presence of an acid catalyst?
a) Imine
b) Enamine
c) Amide
d) Ester
Answer: a) Imine

Which of the following is the most stable carbocation?
a) Primary carbocation
b) Secondary carbocation
c) Tertiary carbocation
d) Quaternary carbocation
Answer: c) Tertiary carbocation

What is the product formed when a primary alcohol is oxidized using a strong oxidizing agent?
a) Aldehyde
b) Ketone
c) Carboxylic acid
d) Ester
Answer: c) Carboxylic acid

Which of the following is an example of a nucleophilic addition-elimination reaction?
a) Hydrolysis
b) Decarboxylation
c) Reduction
d) Dehydration
Answer: a) Hydrolysis

What is the product formed when a primary amine reacts with a carboxylic acid in the presence of an acid catalyst?
a) Amide
b) Ester
c) Imine
d) Enamine
Answer: a) Amide

Which of the following is a reagent used for the reduction of a ketone to a secondary alcohol?
a) NaBH4 (sodium borohydride)
b) PCC (pyridinium chlorochromate)
c) LiAlH4 (lithium aluminum hydride)
d) H2O2 (hydrogen peroxide)
Answer: c) LiAlH4 (lithium aluminum hydride)

What is the product formed when an alkene undergoes hydration in the presence of an acid catalyst?
a) Alkane
b) Alcohol
c) Aldehyde
d) Ketone
Answer: b) Alcohol

Which of the following is a reagent used for the conversion of an aldehyde to a primary alcohol?
a) NaBH4 (sodium borohydride)
b) PCC (pyridinium chlorochromate)
c) LiAlH4 (lithium aluminum hydride)
d) H2O2 (hydrogen peroxide)
Answer: a) NaBH4 (sodium borohydride)

What is the product formed when an alcohol reacts with a carboxylic acid in the presence of an acid catalyst?
a) Ester
b) Amide
c) Imine
d) Enamine
Answer: a) Ester

Which of the following is the correct IUPAC name for the compound CH3CH2COOH?
a) Ethanoic acid
b) Propanoic acid
c) Butanoic acid
d) Pentanoic acid
Answer: b) Propanoic acid

What is the product formed when an alkene undergoes bromination in the presence of a halogen carrier, such as NBS (N-bromosuccinimide)?
a) Alkane
b) Alcohol
c) Alkyl halide
d) Ketone
Answer: c) Alkyl halide

Which of the following is a reagent used for the oxidation of a primary alcohol to an aldehyde?
a) Na2Cr2O7 (sodium dichromate)
b) KMnO4 (potassium permanganate)
c) Jones reagent (chromic acid)
d) PCC (pyridinium chlorochromate)
Answer: d) PCC (pyridinium chlorochromate)

What is the product formed when a secondary alcohol is oxidized using a mild oxidizing agent, such as PCC (pyridinium chlorochromate)?
a) Aldehyde
b) Ketone
c) Carboxylic acid
d) Ester
Answer: b) Ketone

Which of the following is an example of a nucleophilic substitution reaction?
a) Esterification
b) Hydrolysis
c) Dehydration
d) Reduction
Answer: b) Hydrolysis

What is the product formed when an alkene undergoes halogenation in the presence of a halogen, such as Cl2 or Br2?
a) Alkane
b) Alcohol
c) Alkyl halide
d) Ketone
Answer: c) Alkyl halide

Which of the following is a reagent used for the reduction of a carboxylic acid to a primary alcohol?
a) NaBH4 (sodium borohydride)
b) PCC (pyridinium chlorochromate)
c) LiAlH4 (lithium aluminum hydride)
d) H2O2 (hydrogen peroxide)
Answer: c) LiAlH4 (lithium aluminum hydride)

What is the product formed when an alkene undergoes hydrogenation in the presence of a catalyst, such as Pt, Pd, or Ni?
a) Alkane
b) Alcohol
c) Alkyl halide
d) Ketone
Answer: a) Alkane

Which of the following is an example of a nucleophilic substitution-elimination reaction?
a) Esterification
b) Decarboxylation
c) Reduction
d) Dehydration
Answer: a) Esterification

What is the product formed when a secondary amine reacts with a carboxylic acid in the presence of an acid catalyst?
a) Amide
b) Ester
c) Imine
d) Enamine
Answer: c) Imine

Which of the following is the correct IUPAC name for the compound CH3CH2NH2?
a) Ethylamine
b) Propylamine
c) Butylamine
d) Pentylamine
Answer: a) Ethylamine

What is the product formed when an alcohol reacts with a carboxylic acid in the presence of an acid catalyst?
a) Ester
b) Amide
c) Anhydride
d) Alkyl halide
Answer: a) Ester

Which of the following reagents is used for the conversion of an aldehyde to a primary alcohol?
a) NaBH4 (sodium borohydride)
b) LiAlH4 (lithium aluminum hydride)
c) H2O2 (hydrogen peroxide)
d) PCC (pyridinium chlorochromate)
Answer: a) NaBH4 (sodium borohydride)

What is the product formed when an alkene undergoes hydration in the presence of an acid catalyst, such as H2SO4 or H3PO4?
a) Alcohol
b) Alkane
c) Alkyl halide
d) Ketone
Answer: a) Alcohol

Which of the following is an example of a nucleophilic addition reaction?
a) Esterification
b) Decarboxylation
c) Reduction
d) Hydrolysis
Answer: d) Hydrolysis

What is the product formed when a primary alcohol undergoes oxidation using a strong oxidizing agent, such as KMnO4 or CrO3?
a) Carboxylic acid
b) Ketone
c) Aldehyde
d) Ester
Answer: a) Carboxylic acid

Which of the following reagents is used for the reduction of a ketone to a secondary alcohol?
a) NaBH4 (sodium borohydride)
b) LiAlH4 (lithium aluminum hydride)
c) H2O2 (hydrogen peroxide)
d) PCC (pyridinium chlorochromate)
Answer: b) LiAlH4 (lithium aluminum hydride)

What is the product formed when an aldehyde reacts with a primary amine in the presence of an acid catalyst?
a) Imine
b) Amide
c) Ester
d) Enamine
Answer: a) Imine

Which of the following is an example of a dehydration reaction?
a) Esterification
b) Hydrolysis
c) Reduction
d) Decarboxylation
Answer: a) Esterification

What is the product formed when an alcohol undergoes dehydrogenation in the presence of a catalyst, such as CuO or Ag2O?
a) Alkane
b) Alkene
c) Aldehyde
d) Ketone
Answer: b) Alkene

Organic Chemistry MCQs with Answers Read More »

Inorganic Chemistry MCQs with Answers

Inorganic Chemistry MCQs


Which of the following is an example of an alkali metal?
(a) Sodium (Na)
(b) Calcium (Ca)
(c) Chlorine (Cl)
(d) Nitrogen (N)
Answer: (a) Sodium (Na)


What is the atomic number of Carbon (C)?
(a) 6
(b) 8
(c) 12
(d) 16
Answer: (a) 6


Which of the following is a transition metal?
(a) Aluminum (Al)
(b) Copper (Cu)
(c) Fluorine (F)
(d) Phosphorus (P)
Answer: (b) Copper (Cu)


What is the chemical symbol for Silver?
(a) Ag
(b) Au
(c) Al
(d) Fe
Answer: (a) Ag


Which of the following elements is a noble gas?
(a) Helium (He)
(b) Sodium (Na)
(c) Carbon (C)
(d) Oxygen (O)
Answer: (a) Helium (He)


What is the formula for Calcium carbonate?
(a) CaCO2
(b) CaCO3
(c) Ca2CO3
(d) Ca2(CO3)3
Answer: (b) CaCO3


Which of the following is a halogen?
(a) Sodium (Na)
(b) Chlorine (Cl)
(c) Iron (Fe)
(d) Potassium (K)
Answer: (b) Chlorine (Cl)


What is the oxidation state of hydrogen in most compounds?
(a) -1
(b) 0
(c) +1
(d) +2
Answer: (c) +1


Which of the following is a strong acid?
(a) Acetic acid
(b) Citric acid
(c) Sulfuric acid
(d) Carbonic acid
Answer: (c) Sulfuric acid


Which of the following is an example of a halide?
(a) Sodium chloride (NaCl)
(b) Calcium oxide (CaO)
(c) Potassium nitrate (KNO3)
(d) Aluminum sulfate (Al2(SO4)3)
Answer: (a) Sodium chloride (NaCl)


 MCQs of Inorganic Chemistry with Answers


What is the chemical formula for Ammonium chloride?
(a) NH3
(b) NH4Cl
(c) NaCl
(d) HCl
Answer: (b) NH4Cl


Which of the following is an example of a noble metal?
(a) Gold (Au)
(b) Zinc (Zn)
(c) Mercury (Hg)
(d) Nickel (Ni)
Answer: (a) Gold (Au)


What is the formula for Sulfuric acid?
(a) HCl
(b) H2SO3
(c) H2SO4
(d) HNO3
Answer: (c) H2SO4


Which of the following elements is a metalloid?
(a) Boron (B)
(b) Carbon (C)
(c) Oxygen (O)
(d) Fluorine (F)
Answer: (a) Boron (B)


What is the chemical symbol for Iron?
(a) Fe
(b) Cu
(c) Pb
(d) Ag
Answer: (a) Fe


Which of the following is a common reducing agent?
(a) Oxygen (O2)
(b) Chlorine (Cl2)
(c) Hydrogen (H2)
(d) Nitrogen (N2)
Answer: (c) Hydrogen (H2)


What is the formula for Sodium hydroxide?
(a) NaOH
(b) NaCl
(c) Na2O
(d) Na2CO3
Answer: (a) NaOH


Which of the following is a transition metal?
(a) Sodium (Na)
(b) Zinc (Zn)
(c) Platinum (Pt)
(d) Aluminum (Al)
Answer: (c) Platinum (Pt)


What is the chemical formula for Hydrochloric acid?
(a) H2SO4
(b) HCl
(c) H2O
(d) HNO3
Answer: (b) HCl


Which of the following is an example of a polyatomic ion?
(a) Sodium (Na)
(b) Nitrogen (N)
(c) Hydroxide (OH-)
(d) Calcium (Ca)
Answer: (c) Hydroxide (OH-)


Inorganic Chemistry  Solved MCQs in PDF


What is the chemical formula for Potassium permanganate?
(a) KMnO4
(b) K2MnO4
(c) K2Mn2O7
(d) KClO4
Answer: (a) KMnO4


Which of the following is an example of a lanthanide element?
(a) Thorium (Th)
(b) Uranium (U)
(c) Gadolinium (Gd)
(d) Plutonium (Pu)
Answer: (c) Gadolinium (Gd)


What is the oxidation state of oxygen in most compounds?
(a) -1
(b) 0
(c) +1
(d) -2
Answer: (d) -2


Which of the following elements is a halogen?
(a) Fluorine (F)
(b) Calcium (Ca)
(c) Barium (Ba)
(d) Strontium (Sr)
Answer: (a) Fluorine (F)


What is the chemical symbol for Nickel?
(a) Ni
(b) Na
(c) Ne
(d) Nb
Answer: (a) Ni


Which of the following is an example of an anion?
(a) Sodium (Na+)
(b) Chloride (Cl-)
(c) Calcium (Ca2+)
(d) Potassium (K+)
Answer: (b) Chloride (Cl-)


What is the formula for Ammonium sulfate?
(a) (NH4)2SO4
(b) NH4SO3
(c) NH4NO3
(d) NH3
Answer: (a) (NH4)2SO4


Which of the following is a strong base?
(a) Sodium hydroxide (NaOH)
(b) Ammonium hydroxide (NH4OH)
(c) Aluminum hydroxide (Al(OH)3)
(d) Magnesium hydroxide (Mg(OH)2)
Answer: (a) Sodium hydroxide (NaOH)


What is the chemical formula for Hydrogen peroxide?
(a) H2O
(b) H2SO4
(c) H2O2
(d) H2CO3
Answer: (c) H2O2


Which of the following is an example of a coordination compound?
(a) Sodium chloride (NaCl)
(b) Calcium oxide (CaO)
(c) Potassium nitrate (KNO3)
(d) Tetraamminecopper(II) sulfate ([Cu(NH3)4]SO4)
Answer: (d) Tetraamminecopper(II) sulfate ([Cu(NH3)4]SO4)


Inorganic Chemistry Multiple Choice Qs and Answers for NTS PTS ATS


What is the chemical formula for Calcium carbonate?
(a) CaCO2
(b) CaCO3
(c) CaCl2
(d) CaSO4
Answer: (b) CaCO3


Which of the following is an example of a transition metal complex?
(a) Sodium chloride (NaCl)
(b) Potassium permanganate (KMnO4)
(c) Iron (Fe)
(d) Tetraamminecopper(II) chloride ([Cu(NH3)4]Cl2)
Answer: (d) Tetraamminecopper(II) chloride ([Cu(NH3)4]Cl2)


What is the formula for Magnesium sulfate?
(a) MgSO4
(b) MgCl2
(c) Mg(NO3)2
(d) MgCO3
Answer: (a) MgSO4


Which of the following is an example of a noble gas?
(a) Helium (He)
(b) Nitrogen (N)
(c) Oxygen (O)
(d) Carbon (C)
Answer: (a) Helium (He)


What is the chemical symbol for Silver?
(a) Si
(b) Ag
(c) Al
(d) Sr
Answer: (b) Ag


Which of the following is an example of a polymeric compound?
(a) Sodium chloride (NaCl)
(b) Water (H2O)
(c) Polyethylene (C2H4)n
(d) Ammonia (NH3)
Answer: (c) Polyethylene (C2H4)n


What is the formula for Potassium nitrate?
(a) KNO3
(b) K2SO4
(c) KCl
(d) K2CO3
Answer: (a) KNO3


Which of the following is an example of a Lewis acid?
(a) Hydrochloric acid (HCl)
(b) Sodium hydroxide (NaOH)
(c) Boron trifluoride (BF3)
(d) Acetic acid (CH3COOH)
Answer: (c) Boron trifluoride (BF3)


What is the chemical formula for Sodium bicarbonate?
(a) NaHCO3
(b) Na2CO3
(c) NaCl
(d) NaOH
Answer: (a) NaHCO3


Which of the following is an example of a coordination number in a coordination compound?
(a) 2
(b) 3
(c) 6
(d) 8
Answer: (c) 6


Inorganic Chemistry Questions and Answers


What is the chemical formula for Ammonium chloride?
(a) NH3Cl
(b) NH4Cl
(c) NH2Cl
(d) NHCl
Answer: (b) NH4Cl


Which of the following elements is a halogen?
(a) Sodium (Na)
(b) Magnesium (Mg)
(c) Chlorine (Cl)
(d) Calcium (Ca)
Answer: (c) Chlorine (Cl)


What is the formula for Potassium permanganate?
(a) K2MnO3
(b) K2MnO4
(c) KMnO3
(d) KMnO4
Answer: (d) KMnO4


Which of the following is an example of a reducing agent?
(a) Oxidizing agent
(b) Oxygen gas (O2)
(c) Hydrochloric acid (HCl)
(d) Sodium bisulfite (NaHSO3)
Answer: (d) Sodium bisulfite (NaHSO3)


What is the chemical symbol for Gold?
(a) Au
(b) Ag
(c) Fe
(d) Cu
Answer: (a) Au


Which of the following is an example of a molecular compound?
(a) Sodium chloride (NaCl)
(b) Hydrochloric acid (HCl)
(c) Calcium oxide (CaO)
(d) Sodium hydroxide (NaOH)
Answer: (b) Hydrochloric acid (HCl)


What is the formula for Aluminum sulfate?
(a) Al(SO4)3
(b) AlCl3
(c) Al2(SO4)3
(d) Al2Cl6
Answer: (a) Al(SO4)3


Which of the following is an example of a redox reaction?
(a) Combustion of gasoline
(b) Dissolution of sugar in water
(c) Mixing of oil and water
(d) Melting of ice
Answer: (a) Combustion of gasoline


What is the chemical formula for Ammonium nitrate?
(a) NH3NO2
(b) NH4NO2
(c) NH3NO3
(d) NH4NO3
Answer: (d) NH4NO3


Which of the following is an example of a cation?
(a) Chloride (Cl-)
(b) Nitrate (NO3-)
(c) Hydroxide (OH-)
(d) Sodium (Na+)
Answer: (d) Sodium (Na+)


MCQs of Inorganic Chemistry for Medical Entry Test


What is the chemical formula for Calcium carbonate?
(a) CaCO
(b) CaCO2
(c) CaCO3
(d) Ca2CO3
Answer: (c) CaCO3


Which of the following is an example of a noble gas?
(a) Hydrogen (H)
(b) Nitrogen (N)
(c) Argon (Ar)
(d) Chlorine (Cl)
Answer: (c) Argon (Ar)


What is the formula for Sodium hydroxide?
(a) NaOH
(b) Na2O
(c) Na2O2
(d) Na2OH
Answer: (a) NaOH


Which of the following is an example of an ionic compound?
(a) Carbon dioxide (CO2)
(b) Methane (CH4)
(c) Sodium chloride (NaCl)
(d) Ethanol (C2H5OH)
Answer: (c) Sodium chloride (NaCl)


What is the chemical symbol for Mercury?
(a) Hg
(b) Me
(c) Mg
(d) Mn
Answer: (a) Hg


Which of the following is an example of a covalent compound?
(a) Sodium chloride (NaCl)
(b) Water (H2O)
(c) Calcium oxide (CaO)
(d) Sodium hydroxide (NaOH)
Answer: (b) Water (H2O)


What is the formula for Hydrochloric acid?
(a) HCl
(b) H2Cl
(c) H2O
(d) HClO4
Answer: (a) HCl


Which of the following is an example of a precipitation reaction?
(a) Rusting of iron
(b) Burning of wood
(c) Formation of snow
(d) Dissolving sugar in water
Answer: (c) Formation of snow


What is the chemical formula for Potassium sulfate?
(a) K2SO3
(b) K2SO4
(c) KSO3
(d) KSO4
Answer: (b) K2SO4


Which of the following is an example of an anion?
(a) Chloride (Cl-)
(b) Nitrate (NO3-)
(c) Hydroxide (OH-)
(d) Calcium (Ca2+)
Answer: (a) Chloride (Cl-)


Inorganic Chemistry Questions with Answers for ETEA


Which of the following elements is a metalloid?
(a) Carbon (C)
(b) Nitrogen (N)
(c) Silicon (Si)
(d) Sulfur (S)
Answer: (c) Silicon (Si)


What is the chemical formula for Ammonium chloride?
(a) NH4Cl
(b) NH4OH
(c) NH3Cl
(d) NH3OH
Answer: (a) NH4Cl


Which of the following is an example of a transition metal?
(a) Sodium (Na)
(b) Copper (Cu)
(c) Calcium (Ca)
(d) Aluminum (Al)
Answer: (b) Copper (Cu)


What is the formula for Carbonic acid?
(a) H2CO3
(b) HCO2
(c) CO3H2
(d) CO2H
Answer: (a) H2CO3


Which of the following is a halogen?
(a) Sodium (Na)
(b) Chlorine (Cl)
(c) Calcium (Ca)
(d) Iron (Fe)
Answer: (b) Chlorine (Cl)


What is the chemical symbol for Gold?
(a) Go
(b) Gd
(c) Au
(d) Ag
Answer: (c) Au


Which of the following is an example of a reducing agent?
(a) Oxygen (O2)
(b) Chlorine (Cl2)
(c) Hydrogen (H2)
(d) Carbon dioxide (CO2)
Answer: (c) Hydrogen (H2)


What is the formula for Phosphorus pentoxide?
(a) P2O3
(b) P3O5
(c) P4O5
(d) P4O10
Answer: (d) P4O10


Which of the following is an example of a coordination compound?
(a) Sodium chloride (NaCl)
(b) Water (H2O)
(c) Potassium permanganate (KMnO4)
(d) Cobalt(III) hexamine chloride ([Co(NH3)6]Cl3)
Answer: (d) Cobalt(III) hexamine chloride ([Co(NH3)6]Cl3)


What is the chemical formula for Sulfuric acid?
(a) H2SO3
(b) H2SO4
(c) H2S
(d) H2O
Answer: (b) H2SO4


Inorganic Chemistry Multiple Choice Questions for Chemistry Lecturer Test


Which of the following is an example of a noble gas?
(a) Hydrogen (H)
(b) Oxygen (O)
(c) Helium (He)
(d) Fluorine (F)
Answer: (c) Helium (He)


What is the chemical formula for Calcium carbonate?
(a) CaO
(b) Ca(OH)2
(c) CaCO3
(d) CaCl2
Answer: (c) CaCO3


Which of the following elements is the most abundant in Earth’s crust?
(a) Oxygen (O)
(b) Silicon (Si)
(c) Aluminum (Al)
(d) Iron (Fe)
Answer: (a) Oxygen (O)


What is the formula for Sodium hydroxide?
(a) NaOH
(b) Na2O
(c) NaCl
(d) Na2CO3
Answer: (a) NaOH


Which of the following is an example of an alkaline earth metal?
(a) Sodium (Na)
(b) Calcium (Ca)
(c) Chlorine (Cl)
(d) Phosphorus (P)
Answer: (b) Calcium (Ca)


What is the chemical symbol for Mercury?
(a) Mg
(b) Mn
(c) Hg
(d) Mo
Answer: (c) Hg


Which of the following is a common reducing agent used in redox reactions?
(a) Nitric acid (HNO3)
(b) Sulfuric acid (H2SO4)
(c) Hydrochloric acid (HCl)
(d) Sodium bisulfite (NaHSO3)
Answer: (d) Sodium bisulfite (NaHSO3)


What is the formula for Potassium permanganate?
(a) KMnO2
(b) KMnO3
(c) KMnO4
(d) K2MnO4
Answer: (c) KMnO4


Which of the following is an example of an amphoteric species?
(a) Sodium hydroxide (NaOH)
(b) Sulfuric acid (H2SO4)
(c) Water (H2O)
(d) Calcium oxide (CaO)
Answer: (c) Water (H2O)


What is the chemical formula for Nitric acid?
(a) HNO
(b) HNO2
(c) HNO3
(d) H2NO3
Answer: (c) HNO3


Inorganic Chemistry Multiple Choice Questions MCQs with Answers for FPSC Test


Which of the following is a transition metal?
(a) Sodium (Na)
(b) Iron (Fe)
(c) Chlorine (Cl)
(d) Carbon (C)
Answer: (b) Iron (Fe)


What is the chemical symbol for Gold?
(a) Au
(b) Ag
(c) Hg
(d) Al
Answer: (a) Au


Which of the following is a halogen?
(a) Calcium (Ca)
(b) Fluorine (F)
(c) Potassium (K)
(d) Zinc (Zn)
Answer: (b) Fluorine (F)


What is the formula for Hydrochloric acid?
(a) HCl
(b) H2O
(c) H2SO4
(d) HNO3
Answer: (a) HCl


Which of the following elements is a metalloid?
(a) Silicon (Si)
(b) Sodium (Na)
(c) Carbon (C)
(d) Oxygen (O)
Answer: (a) Silicon (Si)


What is the chemical formula for Ammonium chloride?
(a) NH4Cl
(b) NaCl
(c) CaCl2
(d) AlCl3
Answer: (a) NH4Cl


Which of the following is an example of a coordination compound?
(a) Sodium chloride (NaCl)
(b) Potassium permanganate (KMnO4)
(c) Copper sulfate (CuSO4)
(d) [Co(NH3)6]Cl3
Answer: (d) [Co(NH3)6]Cl3


What is the formula for Magnesium oxide?
(a) MgO
(b) Mg2O
(c) Mg(OH)2
(d) MgCO3
Answer: (a) MgO


Which of the following is a common reducing agent used in metallurgy?
(a) Nitric acid (HNO3)
(b) Hydrochloric acid (HCl)
(c) Carbon monoxide (CO)
(d) Sulfuric acid (H2SO4)
Answer: (c) Carbon monoxide (CO)


What is the chemical symbol for Sodium?
(a) So
(b) Na
(c) Sd
(d) Na2
Answer: (b) Na


Multiple Choice Questions of  Inorganic Chemistry for KPPSC Test


What is the chemical formula for Calcium carbonate?
(a) CaCO
(b) CaCO2
(c) CaCO3
(d) Ca2CO3
Answer: (c) CaCO3


Which of the following is a noble gas?
(a) Nitrogen (N)
(b) Oxygen (O)
(c) Helium (He)
(d) Carbon (C)
Answer: (c) Helium (He)


What is the formula for Potassium permanganate?
(a) KMnO
(b) KMnO2
(c) KMnO3
(d) KMnO4
Answer: (d) KMnO4


Which of the following is an example of an ionic compound?
(a) Water (H2O)
(b) Methane (CH4)
(c) Sodium chloride (NaCl)
(d) Ethanol (C2H5OH)
Answer: (c) Sodium chloride (NaCl)


What is the chemical symbol for Mercury?
(a) Hg
(b) Mg
(c) Me
(d) Mn
Answer: (a) Hg


Which of the following is a transition metal?
(a) Aluminum (Al)
(b) Zinc (Zn)
(c) Copper (Cu)
(d) Sodium (Na)
Answer: (c) Copper (Cu)


What is the formula for Sodium bicarbonate?
(a) NaHCO
(b) NaHCO2
(c) Na2CO3
(d) Na2HCO3
Answer: (d) Na2HCO3


Which of the following is a common alkali metal?
(a) Fluorine (F)
(b) Bromine (Br)
(c) Sodium (Na)
(d) Calcium (Ca)
Answer: (c) Sodium (Na)


What is the chemical symbol for Nitrogen?
(a) N
(b) Ni
(c) Na
(d) Ne
Answer: (a) N


Which of the following is an example of a chalcogen?
(a) Oxygen (O)
(b) Sodium (Na)
(c) Carbon (C)
(d) Chlorine (Cl)
Answer: (a) Oxygen (O)


Inorganic Chemistry MCQs Multiple Choice Questions for PPSC  Lecturership Test


What is the chemical formula for Ammonium chloride?
(a) NH4Cl
(b) NaCl
(c) HCl
(d) NH3Cl
Answer: (a) NH4Cl


Which of the following is a halogen?
(a) Sodium (Na)
(b) Potassium (K)
(c) Chlorine (Cl)
(d) Calcium (Ca)
Answer: (c) Chlorine (Cl)


What is the formula for Calcium hydroxide?
(a) Ca(OH)2
(b) Ca(OH)3
(c) CaOH
(d) Ca2OH
Answer: (a) Ca(OH)2


Which of the following is an example of a covalent compound?
(a) Sodium chloride (NaCl)
(b) Calcium carbonate (CaCO3)
(c) Methane (CH4)
(d) Potassium permanganate (KMnO4)
Answer: (c) Methane (CH4)


What is the chemical symbol for Gold?
(a) Au
(b) Ag
(c) Fe
(d) Cu
Answer: (a) Au


Which of the following is a lanthanide element?
(a) Titanium (Ti)
(b) Yttrium (Y)
(c) Lanthanum (La)
(d) Sodium (Na)
Answer: (c) Lanthanum (La)


What is the formula for Hydrochloric acid?
(a) HCl
(b) H2O
(c) H2SO4
(d) HNO3
Answer: (a) HCl


Which of the following is a transition metal?
(a) Aluminum (Al)
(b) Zinc (Zn)
(c) Iron (Fe)
(d) Sodium (Na)
Answer: (c) Iron (Fe)


What is the chemical symbol for Silicon?
(a) Si
(b) Sn
(c) Se
(d) Sc
Answer: (a) Si


Which of the following is an example of a halide?
(a) Hydrogen chloride (HCl)
(b) Sulfuric acid (H2SO4)
(c) Ammonium sulfate ((NH4)2SO4)
(d) Sodium chloride (NaCl)
Answer: (d) Sodium chloride (NaCl)


Inorganic Chemistry MCQs for SST Test


What is the chemical formula for Sodium carbonate?
(a) NaCO3
(b) NaCl
(c) Na2CO3
(d) NaOH
Answer: (c) Na2CO3


Which of the following is a noble gas?
(a) Oxygen (O)
(b) Argon (Ar)
(c) Hydrogen (H)
(d) Nitrogen (N)
Answer: (b) Argon (Ar)


What is the formula for Potassium permanganate?
(a) KMnO4
(b) K2MnO4
(c) KMnO3
(d) K2MnO3
Answer: (a) KMnO4


Which of the following is an example of an acidic oxide?
(a) Carbon monoxide (CO)
(b) Nitrogen monoxide (NO)
(c) Sulfur dioxide (SO2)
(d) Calcium oxide (CaO)
Answer: (c) Sulfur dioxide (SO2)


What is the chemical symbol for Mercury?
(a) Hg
(b) He
(c) Mg
(d) Me
Answer: (a) Hg


Which of the following is a halide?
(a) Sodium hydroxide (NaOH)
(b) Magnesium sulfate (MgSO4)
(c) Potassium chloride (KCl)
(d) Ammonium nitrate ((NH4)NO3)
Answer: (c) Potassium chloride (KCl)


What is the formula for Nitric acid?
(a) HNO3
(b) H2O
(c) H2SO4
(d) HCl
Answer: (a) HNO3


Which of the following is a lanthanide element?
(a) Cobalt (Co)
(b) Europium (Eu)
(c) Nickel (Ni)
(d) Chromium (Cr)
Answer: (b) Europium (Eu)


What is the chemical symbol for Zinc?
(a) Zn
(b) Zc
(c) ZnO
(d) Zr
Answer: (a) Zn


Which of the following is an example of a binary compound?
(a) Sodium chloride (NaCl)
(b) Magnesium sulfate (MgSO4)
(c) Calcium carbonate (CaCO3)
(d) Ammonium nitrate ((NH4)NO3)
Answer: (a) Sodium chloride (NaCl)


Inorganic Chemistry MCQs , Short Questions and Answers for Chemical Engineer Test


Which of the following is an example of a transition metal?
(a) Aluminum (Al)
(b) Sodium (Na)
(c) Iron (Fe)
(d) Calcium (Ca)
Answer: (c) Iron (Fe)


What is the formula for Ammonium sulfate?
(a) (NH4)SO4
(b) (NH4)2SO4
(c) NH4SO3
(d) NH3SO4
Answer: (b) (NH4)2SO4


Which of the following is an example of a halogen?
(a) Sodium (Na)
(b) Chlorine (Cl)
(c) Calcium (Ca)
(d) Carbon (C)
Answer: (b) Chlorine (Cl)


What is the chemical symbol for Silver?
(a) Ag
(b) Au
(c) Al
(d) Si
Answer: (a) Ag


Which of the following is an example of an ionic compound?
(a) Methane (CH4)
(b) Water (H2O)
(c) Sodium chloride (NaCl)
(d) Ethanol (C2H5OH)
Answer: (c) Sodium chloride (NaCl)


What is the formula for Hydrochloric acid?
(a) HCl
(b) H2O
(c) H2SO4
(d) HNO3
Answer: (a) HCl


Which of the following is an example of a noble gas?
(a) Helium (He)
(b) Phosphorus (P)
(c) Sodium (Na)
(d) Chlorine (Cl)
Answer: (a) Helium (He)


What is the chemical symbol for Chromium?
(a) Cr
(b) Co
(c) Cu
(d) Cs
Answer: (a) Cr


Which of the following is an example of a covalent compound?
(a) Sodium chloride (NaCl)
(b) Sulfuric acid (H2SO4)
(c) Calcium carbonate (CaCO3)
(d) Carbon dioxide (CO2)
Answer: (d) Carbon dioxide (CO2)


What is the formula for Barium hydroxide?
(a) BaOH
(b) Ba(OH)2
(c) Ba(OH)3
(d) Ba2(OH)2
Answer: (b) Ba(OH)2


Inorganic Chemistry MCQs and Solved Answers for SPSC Test


Which of the following is an example of a transition metal?
(a) Magnesium (Mg)
(b) Zinc (Zn)
(c) Copper (Cu)
(d) Potassium (K)
Answer: (c) Copper (Cu)


What is the chemical formula for Calcium phosphate?
(a) CaPO3
(b) Ca3(PO4)2
(c) Ca2(PO4)3
(d) Ca(PO4)2
Answer: (c) Ca2(PO4)3


Which of the following is an example of a metalloid?
(a) Nitrogen (N)
(b) Oxygen (O)
(c) Silicon (Si)
(d) Fluorine (F)
Answer: (c) Silicon (Si)


What is the chemical symbol for Mercury?
(a) Hg
(b) Mn
(c) Mo
(d) Mg
Answer: (a) Hg


Which of the following is an example of a molecular compound?
(a) Sodium chloride (NaCl)
(b) Hydrochloric acid (HCl)
(c) Calcium oxide (CaO)
(d) Water (H2O)
Answer: (d) Water (H2O)


What is the formula for Sulfuric acid?
(a) H2SO4
(b) HCl
(c) HNO3
(d) H2O
Answer: (a) H2SO4


Which of the following is an example of a halide ion?
(a) Cl-
(b) Na+
(c) Ca2+
(d) K+
Answer: (a) Cl-


What is the chemical symbol for Tin?
(a) Sn
(b) Ti
(c) Ta
(d) Tb
Answer: (a) Sn


Which of the following is an example of a polyatomic ion?
(a) H2O
(b) NaCl
(c) CO2
(d) NO3-
Answer: (d) NO3-


What is the formula for Potassium permanganate?
(a) KMnO4
(b) K2MnO4
(c) KMnO3
(d) K2MnO3
Answer: (a) KMnO4


Inorganic Chemistry MCQs for Competitive Exams and Tests


Which of the following elements is a noble gas?
(a) Nitrogen (N)
(b) Argon (Ar)
(c) Sodium (Na)
(d) Carbon (C)
Answer: (b) Argon (Ar)


What is the chemical formula for Ammonium chloride?
(a) NH3
(b) NH4Cl
(c) NH3Cl
(d) NH4
Answer: (b) NH4Cl


Which of the following is an example of a reducing agent?
(a) Oxygen (O2)
(b) Hydrogen (H2)
(c) Chlorine (Cl2)
(d) Fluorine (F2)
Answer: (b) Hydrogen (H2)


What is the chemical symbol for Silver?
(a) Ag
(b) Au
(c) Al
(d) As
Answer: (a) Ag


Which of the following is an example of an isotope?
(a) Carbon-12
(b) Carbon-14
(c) Carbon-16
(d) Carbon-18
Answer: (b) Carbon-14


What is the formula for Sodium carbonate?
(a) Na2CO4
(b) NaHCO3
(c) Na2CO3
(d) NaCO3
Answer: (c) Na2CO3


Which of the following is an example of a coordination compound?
(a) NaCl
(b) CuSO4
(c) K2Cr2O7
(d) [Fe(CN)6]4-
Answer: (d) [Fe(CN)6]4-


What is the chemical symbol for Lead?
(a) Pb
(b) Pt
(c) Pr
(d) Pd
Answer: (a) Pb


Which of the following is an example of a polymeric compound?
(a) Methane (CH4)
(b) Ethene (C2H4)
(c) Polyethylene (C2H4)n
(d) Acetylene (C2H2)
Answer: (c) Polyethylene (C2H4)n


What is the formula for Hydrochloric acid?
(a) H2SO4
(b) HCl
(c) HNO3
(d) H2O
Answer: (b) HCl


Inorganic Chemistry Past Papers MCQs with answers for lecturer test of Chemistry


What is the formula for Calcium chloride?
(a) CaCl2
(b) CaCl
(c) Ca2Cl
(d) Ca2Cl2
Answer: (a) CaCl2


Which of the following elements is a halogen?
(a) Sodium (Na)
(b) Chlorine (Cl)
(c) Calcium (Ca)
(d) Iron (Fe)
Answer: (b) Chlorine (Cl)


What is the chemical symbol for Magnesium?
(a) Ma
(b) Mg
(c) Mn
(d) Mo
Answer: (b) Mg


Which of the following is an example of a transition metal?
(a) Sodium (Na)
(b) Copper (Cu)
(c) Potassium (K)
(d) Zinc (Zn)
Answer: (b) Copper (Cu)


What is the formula for Potassium permanganate?
(a) KMnO2
(b) KMnO3
(c) KMnO4
(d) K2MnO4
Answer: (c) KMnO4


Which of the following is an example of an allotrope?
(a) Carbon monoxide (CO)
(b) Oxygen gas (O2)
(c) Water (H2O)
(d) Sodium chloride (NaCl)
Answer: (b) Oxygen gas (O2)


What is the chemical formula for Sulfuric acid?
(a) H2SO3
(b) H2S
(c) H2SO4
(d) H2S2O4
Answer: (c) H2SO4


Which of the following is an example of a noble metal?
(a) Silver (Ag)
(b) Nickel (Ni)
(c) Aluminium (Al)
(d) Titanium (Ti)
Answer: (a) Silver (Ag)


What is the formula for Potassium hydroxide?
(a) K2OH
(b) KOH2
(c) KHO
(d) KOH
Answer: (d) KOH


Which of the following is an example of a covalent compound?
(a) Sodium chloride (NaCl)
(b) Calcium carbonate (CaCO3)
(c) Ammonia (NH3)
(d) Potassium iodide (KI)
Answer: (c) Ammonia (NH3)


Inorganic Chemistry MCQs in PDF


Which of the following is a transition metal?
(a) Aluminium (Al)
(b) Zinc (Zn)
(c) Sodium (Na)
(d) Chromium (Cr)
Answer: (d) Chromium (Cr)


What is the formula for Nitric acid?
(a) HNO2
(b) HNO3
(c) HN3O
(d) H3NO
Answer: (b) HNO3


Which of the following is an example of a halide ion?
(a) Cl+
(b) Cl-
(c) Cl2
(d) Cl3-
Answer: (b) Cl-


What is the chemical symbol for Silver?
(a) Ag
(b) Au
(c) Al
(d) Si
Answer: (a) Ag


Which of the following is an example of an alkali metal?
(a) Chlorine (Cl)
(b) Sodium (Na)
(c) Carbon (C)
(d) Phosphorus (P)
Answer: (b) Sodium (Na)


What is the formula for Calcium carbonate?
(a) CaCO
(b) CaCO2
(c) Ca(CO3)2
(d) Ca2CO3
Answer: (c) Ca(CO3)2


Which of the following is an example of a reducing agent?
(a) Oxygen (O2)
(b) Hydrogen (H2)
(c) Carbon dioxide (CO2)
(d) Nitrogen (N2)
Answer: (b) Hydrogen (H2)


What is the chemical formula for Sodium bicarbonate?
(a) Na2CO3
(b) NaHCO2
(c) NaHCO3
(d) Na2HCO3
Answer: (c) NaHCO3


Which of the following is an example of a metalloid?
(a) Carbon (C)
(b) Copper (Cu)
(c) Sodium (Na)
(d) Gold (Au)
Answer: (a) Carbon (C)


What is the formula for Ammonium chloride?
(a) NH4Cl
(b) NH3Cl
(c) NH4Cl2
(d) NH3Cl2
Answer: (a) NH4Cl

 Inorganic Chemistry MCQs with Answers


Which of the following is a noble gas?
(a) Helium (He)
(b) Chlorine (Cl)
(c) Oxygen (O)
(d) Nitrogen (N)
Answer: (a) Helium (He)


What is the formula for Sulfuric acid?
(a) H2SO3
(b) H2SO4
(c) H2S
(d) H2SO2
Answer: (b) H2SO4


Which of the following is an example of a cation?
(a) Br-
(b) F-
(c) O2-
(d) Na+
Answer: (d) Na+


What is the chemical symbol for Potassium?
(a) Pt
(b) K
(c) Pb
(d) Po
Answer: (b) K


Which of the following is an example of a transition metal?
(a) Nickel (Ni)
(b) Sodium (Na)
(c) Calcium (Ca)
(d) Iron (Fe)
Answer: (a) Nickel (Ni)


What is the formula for Magnesium oxide?
(a) Mg2O
(b) MgO2
(c) Mg(OH)2
(d) MgO
Answer: (d) MgO


Which of the following is an example of a halogen?
(a) Sodium (Na)
(b) Chlorine (Cl)
(c) Calcium (Ca)
(d) Copper (Cu)
Answer: (b) Chlorine (Cl)


What is the chemical formula for Ammonium sulfate?
(a) NH3SO3
(b) NH4SO2
(c) (NH4)2SO4
(d) (NH4)2SO3
Answer: (c) (NH4)2SO4


Which of the following is an example of a metal?
(a) Carbon (C)
(b) Fluorine (F)
(c) Sodium (Na)
(d) Phosphorus (P)
Answer: (c) Sodium (Na)


What is the formula for Sodium hydroxide?
(a) NaOH
(b) Na2OH
(c) Na(OH)2
(d) Na2(OH)
Answer: (a) NaOH


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