NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 521 - 527 of 3111

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Question 521

Question MCQ▾

The carbon atom of the carbonyl group is?

Choices

Choice (4)Response

a.

-hybridised

b.

sp-hybridised

c.

-hybridised

d.

-hybridised

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Question 522

Question MCQ▾

Acetic acid when heated (300°C) with MnO gives?

Choices

Choice (4)Response

a.

Formaldehyde

b.

Acetaldehyde

c.

Ethanol

d.

Propane-2-one

Edit

Question 523

Question MCQ▾

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

Edit

Question 524

Question MCQ▾

Choices

Choice (4)Response

a.

b.

c.

Both a. and b. are correct

d.

None of the above

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Question 525

Question MCQ▾

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

Edit

Question 526

Question MCQ▾

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

Choices

Choice (4)Response

a.

Fehling՚s solution

b.

solution

c.

d.

Edit

Question 527

Question MCQ▾

The product formed in the reaction is?

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

Choices

Choice (4)Response

a.

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

b.

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

c.

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

d.

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

Edit