NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 613 - 620 of 1258

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Question number: 613

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

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MCQ▾

Question

Which of the following statements about carbonyl compounds is correct?

Choices

Choice (4)Response

a.

The anion left after the removal of H+ is stabilized Enolate anion

b.

-H atom is acidic

c.

The base, catalyzed Aldol condensation is due to the acidic nature of -H atom

d.

All a. , b. and c. are correct

Question number: 614

» Organic Compounds with Oxygen » Aldehyde and Ketones » Cannizzaro Reaction

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MCQ▾

Question

Which of the following does not give cannizzaro reaction?

Choices

Choice (4)Response

a.

P-nitro benzaldehyde

b.

Benzaldehyde

c.

Acetaldehyde

d.

Formaldehyde

Question number: 615

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

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MCQ▾

Question

The compound that will not give iodoform test on treatment with alkali and iodine is?

Choices

Choice (4)Response

a.

Isopropyl alcohol

b.

Ethanol

c.

Diethyl ketone

d.

Acetone

Question number: 616

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

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MCQ▾

Question

Iodoform can be prepared from all expect?

Choices

Choice (4)Response

a.

Isopropyl alcohol

b.

Isobutyl alcohol

c.

3- Methyl -2- alcohol

d.

Ethyl methyl ketone

Question number: 617

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

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MCQ▾

Question

The reagent with which both acetaldehyde and acetone react easily is?

Choices

Choice (4)Response

a.

Tollen’s reagent

b.

Grignard reagent

c.

Fehling’s reagent

d.

Schiff’s reagent

Question number: 618

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

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MCQ▾

Question

On heating calcium propionate, the product formed is?

Choices

Choice (4)Response

a.

Propanone

b.

2-pentanone

c.

3-pentanone

d.

3-methyl-2-butanone

Question number: 619

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

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MCQ▾

Question

is an organometallic compound due to?

Choices

Choice (4)Response

a.

C-Mg bond

b.

Mg-I bond

c.

C-I bond

d.

C-H bond

Question number: 620

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

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MCQ▾

Question

The product formed in the reaction is?

Reaction of Propionaldehyde with potassium cyanide

Reaction of Propionaldehyde with Potassium Cyanide

Find the formed product by reaction of Propionaldehyde with potassium cyanide

Choices

Choice (4)Response

a.

Formed product by reaction of Propionaldehyde: Choice A

Formed Product by Reaction of Propionaldehyde: Choice A

Find the right formed product by reaction of Propionaldehyde with potassium cyanide

b.

Formed product by reaction of Propionaldehyde: Choice B

Formed Product by Reaction of Propionaldehyde: Choice B

Find the right formed product by reaction of Propionaldehyde with potassium cyanide

c.

Formed product by reaction of Propionaldehyde: Choice C

Formed Product by Reaction of Propionaldehyde: Choice C

Find the right formed product by reaction of Propionaldehyde with potassium cyanide

d.

Formed product by reaction of Propionaldehyde: Choice D

Formed Product by Reaction of Propionaldehyde: Choice D

Find the right formed product by reaction of Propionaldehyde with potassium cyanide

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