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Aldehydes & Ketones Preparation MDCAT MCQs with Answers

Welcome to the Aldehydes & Ketones Preparation MDCAT MCQs with Answers. In this post, we have shared Aldehydes & Ketones Preparation Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Chemistry offers a chance to enhance your knowledge regarding Aldehydes & Ketones Preparation MCQs in this MDCAT Online Test.

Aldehydes can be prepared by the oxidation of:
a) Primary alcohols
b) Secondary alcohols
c) Tertiary alcohols
d) Ketones

Answer
a

Ketones are commonly prepared by the oxidation of:
a) Primary alcohols
b) Secondary alcohols
c) Tertiary alcohols
d) Aldehydes

Answer
b

The reaction of an alkyl halide with a Grignard reagent produces:
a) Aldehyde
b) Ketone
c) Carboxylic acid
d) Ester

Answer
b

The preparation of aldehydes by the reduction of:
a) Ketones
b) Carboxylic acids
c) Aldehydes
d) Alcohols

Answer
a

Aldehydes can be prepared from alkenes via:
a) Ozonolysis
b) Hydrogenation
c) Halogenation
d) Dehydrogenation

Answer
a

The preparation of ketones from alcohols involves the oxidation of:
a) Primary alcohols
b) Secondary alcohols
c) Tertiary alcohols
d) Aldehydes

Answer
b

The Clemmensen reduction converts:
a) Ketones to alkanes
b) Aldehydes to alkanes
c) Carboxylic acids to aldehydes
d) Aldehydes to carboxylic acids

Answer
b

Ketones can be prepared by the reaction of a:
a) Grignard reagent with a carbonyl compound
b) Aldehyde with an alkyl halide
c) Primary amine with a ketone
d) Secondary amine with an aldehyde

Answer
a

Aldehydes are prepared from carboxylic acids via:
a) Reduction with LiAlH₄
b) Oxidation
c) Halogenation
d) Esterification

Answer
a

The reaction of an alkyl halide with a metal catalyst in the presence of a reducing agent can prepare:
a) Ketones
b) Aldehydes
c) Alcohols
d) Carboxylic acids

Answer
b

The preparation of aldehydes from alkanes can be achieved by:
a) Ozonolysis
b) Hydrolysis
c) Dehydrogenation
d) Hydrogenation

Answer
c

The reaction of a primary alcohol with chromic acid produces:
a) Ketone
b) Aldehyde
c) Carboxylic acid
d) Ester

Answer
b

The oxidation of a primary alcohol to an aldehyde can be carried out using:
a) PCC (Pyridinium chlorochromate)
b) NaBH₄
c) LiAlH₄
d) H₂SO₄

Answer
a

Ketones can be prepared from the reaction of an alkyl halide with:
a) Grignard reagent
b) Sodium bisulphite
c) Sodium hydroxide
d) Hydrogen chloride

Answer
a

The preparation of aldehydes via hydrolysis involves:
a) Nitriles
b) Alkyl halides
c) Carboxylic acids
d) Esters

Answer
a

The reduction of carboxylic acids to aldehydes can be achieved using:
a) LiAlH₄
b) NaBH₄
c) Zinc amalgam
d) H₂SO₄

Answer
c

The reaction of an aldehyde with a primary amine produces:
a) Imine
b) Amide
c) Alcohol
d) Ester

Answer
a

Ketones can be prepared by the reaction of:
a) Aldehydes with Grignard reagents
b) Carboxylic acids with LiAlH₄
c) Alcohols with PCC
d) Alkanes with ozone

Answer
a

Aldehydes can be prepared by the dehydrogenation of:
a) Alcohols
b) Ketones
c) Carboxylic acids
d) Esters

Answer
a

The reaction of an aldehyde with sodium bisulphite forms:
a) Bisulphite addition compound
b) Aldol
c) Imine
d) Carboxylic acid

Answer
a

The formation of ketones from the reaction of:
a) Aldehydes with Grignard reagents
b) Alcohols with HCl
c) Nitriles with water
d) Esters with alcohol

Answer
a

The preparation of aldehydes from nitriles involves:
a) Reduction
b) Oxidation
c) Hydrolysis
d) Dehydration

Answer
a

Aldehydes can be synthesized from:
a) Ozonolysis of alkenes
b) Hydrolysis of esters
c) Reduction of ketones
d) Oxidation of secondary alcohols

Answer
a

Ketones can be prepared by the reaction of:
a) Secondary alcohols with oxidizing agents
b) Primary alcohols with oxidizing agents
c) Aldehydes with sodium bisulphite
d) Carboxylic acids with LiAlH₄

Answer
a

The formation of aldehydes by the reduction of:
a) Carboxylic acids
b) Ketones
c) Nitriles
d) Alkyl halides

Answer
c

Ketones can be prepared by the reaction of:
a) Aldehydes with Grignard reagents
b) Carboxylic acids with alcohols
c) Alkanes with ozone
d) Aldehydes with sodium bisulphite

Answer
a

The reduction of aldehydes to primary alcohols is carried out using:
a) LiAlH₄
b) NaOH
c) PCC
d) H₂SO₄

Answer
a

The preparation of ketones from secondary alcohols is achieved by:
a) Oxidation
b) Reduction
c) Hydrolysis
d) Dehydration

Answer
a

Aldehydes can be synthesized by the:
a) Hydrolysis of nitriles
b) Dehydrogenation of alcohols
c) Oxidation of ketones
d) Reduction of carboxylic acids

Answer
a

The preparation of ketones by the reaction of:
a) Grignard reagents with carboxylic acids
b) Aldehydes with alcohols
c) Primary alcohols with oxidizing agents
d) Secondary alcohols with oxidizing agents

Answer
d

Aldehydes can be prepared by:
a) Oxidation of primary alcohols
b) Reduction of secondary alcohols
c) Hydrolysis of ketones
d) Dehydrogenation of esters

Answer
a

The preparation of ketones from carboxylic acids involves:
a) Reduction
b) Oxidation
c) Esterification
d) Grignard reaction

Answer
b

Aldehydes can be synthesized using:
a) Ozonolysis of alkenes
b) Hydrogenation of ketones
c) Hydrolysis of nitriles
d) Oxidation of tertiary alcohols

Answer
a

The reaction of an alkyl halide with a Grignard reagent in the presence of:
a) Carbon dioxide
b) Alcohol
c) Water
d) Sodium hydroxide

Answer
a

The reduction of aldehydes to primary alcohols can be done using:
a) NaBH₄
b) PCC
c) LiAlH₄
d) H₂SO₄

Answer
a

The reaction of ketones with primary amines results in:
a) Imine formation
b) Aldol condensation
c) Esterification
d) Oxidation

Answer
a

The oxidation of secondary alcohols yields:
a) Ketones
b) Aldehydes
c) Carboxylic acids
d) Alcohols

Answer
a

Aldehydes can be prepared by:
a) Hydrolysis of esters
b) Reduction of ketones
c) Oxidation of secondary alcohols
d) Dehydration of primary alcohols

Answer
b

The reaction of a nitrile with a reducing agent produces:
a) Aldehyde
b) Ketone
c) Carboxylic acid
d) Ester

Answer
a

The preparation of aldehydes using:
a) Reduction of nitriles
b) Oxidation of ketones
c) Hydrolysis of carboxylic acids
d) Dehydrogenation of secondary alcohols

Answer
a

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