Organic Compounds With Oxygen (NEET Chemistry): Questions 18 - 22 of 76

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Question number: 18

» Organic Compounds With Oxygen » Aldehyde and Ketones » Nature of Carbonyl Group

MCQ▾

Question

The aldehydic group can occur?

Choices

Choice (4) Response

a.

In the middle of the carbon chain

b.

Anywhere in the carbon chain

c.

Only at the second carbon atom of the chain

d.

Only at the end carbon atom of the carbon chain

Question number: 19

» Organic Compounds With Oxygen » Aldehyde and Ketones » Nature of Carbonyl Group

MCQ▾

Question

The correct structure of trans-2-hexanal is?

Choices

Choice (4) Response

a.

Select correct structure of trans-2-hexanal - Choice A

Select Correct Structure of Trans-2-Hexanal - Choice A

Showing the structures of Trans-2-Hexenal and Cis-2 Hexenal

b.

Select correct structure of trans-2-hexanal - Choice B

Select Correct Structure of Trans-2-Hexanal - Choice B

Showing the structures of Trans-2-Hexenal and Cis-2 Hexenal

c.

Select correct structure of trans-2-hexanal - Choice C

Select Correct Structure of Trans-2-Hexanal - Choice C

Showing the structures of Trans-2-Hexenal and Cis-2 Hexenal

d.

Select correct structure of trans-2-hexanal - Choice D

Select Correct Structure of Trans-2-Hexanal - Choice D

Showing the structures of Trans-2-Hexenal and Cis-2 Hexenal

Question number: 20

» Organic Compounds With Oxygen » Aldehyde and Ketones » Aldol Condensation

MCQ▾

Question

Which of the following will not undergo Aldol condensation?

Choices

Choice (4) Response

a.

CD3CHO

b.

PhCHO

c.

CH3CH2CHO

d.

CH3CHO

Question number: 21

» Organic Compounds With Oxygen » Aldehyde and Ketones » Acidity of Hydrogen

MCQ▾

Question

Reaction of cyclohexanone with dimethyl amine in the presence of catalytic amount of acid forms a compound if water during the reaction is continuously removed. The compound formed is?

Choices

Choice (4) Response

a.

An imine

b.

An amine

c.

A Schiff’s base

d.

An enamine

Question number: 22

» Organic Compounds With Oxygen » Aldehyde and Ketones » Cannizzaro Reaction

MCQ▾

Question

Which one of the following undergoes reaction with 50 % sodium hydroxide solution to give the corresponding alcohol and acid?

Choices

Choice (4) Response

a.

Phenol

b.

Benzoic acid

c.

Benzaldehyde

d.

Butanal

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