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
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