NEET Chemistry: Questions 577 - 582 of 677

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Question number: 577

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

MCQ▾

Question

Aldol condensation is?

Choices

Choice (4) Response

a.

Self-condensation of both aldehydes and ketones having no alpha hydrogen.

b.

Self-condensation of aldehydes only having at least one alpha hydrogen.

c.

Self-condensation of ketones only having at least one alpha hydrogen.

d.

Self-condensation of both aldehydes and ketones having at least one alpha hydrogen

Question number: 578

» Organic Compounds With Oxygen » Aldehyde and Ketones » Relative Reactivities of Aldehydes and Ketones

MCQ▾

Question

The formation of cyanohydrins from a ketone is an example of?

Choices

Choice (4) Response

a.

Nucleophilic addition

b.

Electrophilic addition

c.

Electrophilic substitution

d.

Nucleophilic substitution

Question number: 579

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

MCQ▾

Question

The carbon atom of the carbonyl group is?

Choices

Choice (4) Response

a.

dsp2 -hybridised

b.

sp2 -hybridised

c.

sp-hybridised

d.

sp3 -hybridised

Question number: 580

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

MCQ▾

Question

Acetic acid when heated (300℃) with MnO gives?

Choices

Choice (4) Response

a.

Propane-2-one

b.

Ethanol

c.

Formaldehyde

d.

Acetaldehyde

Question number: 581

» Organic Compounds With Oxygen » Aldehyde and Ketones » Relative Reactivities of Aldehydes and Ketones

MCQ▾

Question

Which statement is incorrect in the case of acetaldehyde and acetone?

Choices

Choice (4) Response

a.

Acetaldehyde and acetone gives Iodoform test

b.

Acetaldehyde and acetone react with NaOH to form polymer

c.

Acetaldehyde and acetone reacts with HCN

d.

Acetaldehyde and acetone can be reduced to alcohols

Question number: 582

» Organic Compounds With Oxygen » Aldehyde and Ketones » Grignard Reagent Oxidation Reduction

MCQ▾

Question

C6H5COOH+CH3MgI?

Choices

Choice (4) Response

a.

C6H5COOMgI

b.

CH4

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

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