Question Pool Aldehydes, Ketones and Carboxylic acids

Aldehydes, Ketones and Carboxylic acids - SAMAGRA Question Pool & Answers | Class 12

Kerala Syllabus SAMAGRA SCERT SAMAGRA Question Pool for Class 12 Chemistry Aldehydes, Ketones and Carboxylic acids

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Qn 1.

Arrange the following carboxylic acids in the increasing order of acidic strength.  Justify your answer.

CF3 COOH , CH3COOH, C6H5COOH



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Qn 2.

The IUPAC name of Isobutyraldehyde is -------------



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Qn 3.

An α- hydrogen is a hydrogen attached to carbon atom adjacent to carbonyl group in a carbonyl compound.

a) Name a reaction which distinguishes the carbonyl compound having  α-hydrogen from those without α hydrogen atom.

b) Explain such a reaction with chemical equation.



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Qn 4.

Account for the following statements.

a) CH3COOH is more acidic than phenol.

b) Carboxylic acid do not undergo Friedel crafts reaction.

c) Carboxylic acids are higher boiling liquid than aldehydes of comparable molecular mass.



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Qn 5.

Complete the table.

Substrate

Reagent

Name of reaction

Benzoyl chloride

H2/Pd – BaSO4

 

CH3 CH2 COOH

 

Hell Volhard Zelinsky

CH3COONa

 

Kolbe’s electrolysis

CH3COCH3

KOH/Ethylene glycol