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CBSE

Subject

Chemistry

NEET Chemistry : Aldehydes, Ketones and Carboxylic Acids

Multiple Choice Questions

61.

Which one of the following reactions is called Rosenmund reaction ?

Aldehydes are reduced to alcohols
Acids are converted to acid chlorides
Alcohols are reduced to hydrocarbons
Acid chlorides are reduced to aldehydes

62.

The reaction,

C₆H₅CHO + CH₃COOC₂H₅ $\to$ C₆H₅CH = CHCOOC₂H₅ , is called

Benzoin condensation
Claisen condensation
Cannizaro's reaction
Perkin reaction

63.

Aldehydes or ketones are treated with-bromo ester in the presence of zinc to form $α$ -hydroxy ester followed by dehydration to form $α$ , $β$ -unsaturated ester.This reaction is known as:

Witting reaction.
Tischenko reaction.
Reformatsky reaction.
Crossed-cannazzaro's reaction.

64.

In a set of reactions, acetic acid yielded a product D.

CH₃COOH $\overset{{SOCl}_{2}}{\to}$ A $\to_{anhyd . {AlCl}_{3}}^{Benzene}$ B $\overset{HCN}{\to}$ C $\overset{HOH}{\to}$ D

The structure of D would be

65.

Which among the following is strongest acid ?

H(ClO)O₂
H(ClO)O₃
H(ClO)O
H(ClO)

66.

HCHO reacts with CH₃MgI to give:

CH₃CH₂OH
CH₃OH
CH₃CH₂I
CH₃I

67.

In the following reduction, reducing agent used is:

DIBAH
LiAlH₄
NaAlH₄
H₂/PdBaSo₄

68.

Indicate correct synthesis of carboxylic acid from organometallic compound :

All of the above

69.

The major organic product formed from the following reaction $\to_{(ii) {LiAlH}_{4} (iii) H_{2} O}^{(i) {CH}_{3} {NH}_{2}}$ ... is

70.

The correct structure of the stable compound which is obtained when acetophenone react with a base C₂H₅OH is

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