NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 579 - 585 of 1258

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Question number: 579

» 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: 580

» 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: 581

» 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

Question number: 582

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

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MCQ▾

Question

Choices

Choice (4) Response

a.

b.

c.

Both a. and b. are correct

d.

None of the above

Question number: 583

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

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MCQ▾

Question

Acetaldehyde is converted to ethane by wolff-kishner reduction. Acetaldehyde is treated with?

Choices

Choice (4) Response

a.

Hydrazine and sodium ethoxide

b.

Sodium borohydride

c.

Hydrogen with palladium on barium sulfate

d.

Lithium aluminium hydride

Question number: 584

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

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MCQ▾

Question

Which one of the following reagents can distinguish aldehydes and ketones?

Choices

Choice (4) Response

a.

Fehling’s solution

b.

solution

c.

d.

Question number: 585

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

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MCQ▾

Question

The product formed in the reaction is?

Imageof 2-(dichloro methyl)-4-nitrophenol with sodium hydroxide

Imageof 2- (Dichloro Methyl) -4-Nitrophenol with Sodium Hydroxide

Find the formed product by reaction of 2- (dichloro methyl) -4-nitrophenol with sodium hydroxide

Choices

Choice (4) Response

a.

Image reaction of 2-(dichloro methyl)-4-nitrophenol: Choice A

Image Reaction of 2- (Dichloro Methyl) -4-Nitrophenol: Choice A

Find the right formed product by reaction of 2- (dichloro methyl) -4-nitrophenol

b.

Image reaction of 2-(dichloro methyl)-4-nitrophenol: Choice B

Image Reaction of 2- (Dichloro Methyl) -4-Nitrophenol: Choice B

Find the right formed product by reaction of 2- (dichloro methyl) -4-nitrophenol

c.

Image reaction of 2-(dichloro methyl)-4-nitrophenol: Choice C

Image Reaction of 2- (Dichloro Methyl) -4-Nitrophenol: Choice C

Find the right formed product by reaction of 2- (dichloro methyl) -4-nitrophenol

d.

Image reaction of 2-(dichloro methyl)-4-nitrophenol: Choice D

Image Reaction of 2- (Dichloro Methyl) -4-Nitrophenol: Choice D

Find the right formed product by reaction of 2- (dichloro methyl) -4-nitrophenol