Organic Compounds With Oxygen-Aldehyde and Ketones (NEET Chemistry): Questions 29 - 34 of 50

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Question number: 29

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

MCQ▾

Question

A compound that gives a positive iodoform test is?

Choices

Choice (4) Response
a.

Pentan-3-one

b.

Pentan-1-ol

c.

Pentanal

d.

Pentan-2-one

Question number: 30

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

MCQ▾

Question

The best reagent to convert pent-3-en-2-ol into pent-3-en-2-one is?

Choices

Choice (4) Response
a.

Pyridine chloro chromate

b.

Chromic anhydride in glacial acetic acid

c.

Acidic dichromate

d.

Acidic permanganate

Question number: 31

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

MCQ▾

Question

Main products of the reaction are?

Structure of reaction of an Acetone with hydrogen or Palladium

Structure of Reaction of an Acetone With Hydrogen or Palladium

Find the main products produced by the reaction of an Acetone with hydrogen or Palladium

Choices

Choice (4) Response
a.

Propan-2-ol

b.

Acetic acid

c.

Acetic acid and hydrogen

d.

Ethanol

Question number: 32

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

MCQ▾

Question

Ethylidene chloride on treatment with aqueous KOH gives?

Choices

Choice (4) Response
a.

CH2OH.CH2OH

b.

CHO.CHO

c.

HCHO

d.

CH3CHO

Question number: 33

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

MCQ▾

Question

When acetaldehyde is treated with ammonical silver nitrate solution, we get?

Choices

Choice (4) Response
a.

Silver mirror

b.

Red colouration

c.

No precipitate.

d.

A brown precipitate

Question number: 34

» Organic Compounds With Oxygen » Aldehyde and Ketones » Nucleophilic Addition Reactions

MCQ▾

Question

Predict the structures of (a) and (b)?

 Propane – 2- One with sodium cyanide and hydrogen chloride

Propane – 2- One With Sodium Cyanide and Hydrogen Chloride

Find the structures of ‘a’ and ‘b’ produced by the reaction of Propane – 2- One with sodium cyanide and hydrogen chloride

Choices

Choice (4) Response
a.

(CH3)2C(OH)CN,(CH3)2CHCOOH

b.

(CH3)2C(OH)CN,(CH3)2CO

c.

(CH3)2C(OH)CN,(CH3)2C(OH)2

d.

(CH3)2C(OH)CN,(CH3)2C(OH)COOH

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