Organic Compounds with Oxygen-Aldehyde and Ketones (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 1 - 6 of 50

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Question number: 1

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

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MCQ▾

Question

Formaldehyde can be distinguished from acetaldehyde by the use of?

Choices

Choice (4) Response

a.

Fehling’s solution

b.

Tollen’s reagent

c.

Iodine in presence of a base

d.

Schiff’s reagent

Question number: 2

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

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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 both aldehydes and ketones having at least one alpha hydrogen

c.

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

d.

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

Question number: 3

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

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MCQ▾

Question

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

Choices

Choice (4) Response

a.

Electrophilic substitution

b.

Electrophilic addition

c.

Nucleophilic substitution

d.

Nucleophilic addition

Question number: 4

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

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MCQ▾

Question

The carbon atom of the carbonyl group is?

Choices

Choice (4) Response

a.

-hybridised

b.

sp-hybridised

c.

-hybridised

d.

-hybridised

Question number: 5

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

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MCQ▾

Question

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

Choices

Choice (4) Response

a.

Formaldehyde

b.

Acetaldehyde

c.

Ethanol

d.

Propane-2-one

Question number: 6

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

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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 can be reduced to alcohols

d.

Acetaldehyde and acetone reacts with HCN

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