NEET (National Eligibility cum Medical Entrance Test) Chemistry: Questions 607 - 612 of 1145

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Question number: 607

» 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.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 608

» 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: 609

» 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.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 610

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

MCQ▾

Question

At room temperature, formaldehyde is?

Choices

Choice (4) Response

a.

A gas

b.

A liquid

c.

A solid

d.

Not known

Question number: 611

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

MCQ▾

Question

The decreasing order of the ratio of HCN addition to compounds A to D is

1. HCHO,

2. Equation ,

3. Ph Equation ,

4 Equation

Choices

Choice (4) Response

a.

4 > 2 > 3 > 1

b.

4 > 3 > 2 > 1

c.

3 > 4 > 2 > 1

d.

1 > 2 > 3 > 4

Question number: 612

» Organic Compounds With Oxygen » Aldehyde and Ketones » Nucleophilic Addition to >C=O Group

MCQ▾

Question

In the following sequence of reactions the end-product is?

Reaction of aldehyde with HCN and then water

Reaction of Aldehyde With HCN and Then Water

Find the end-product produced by the reaction of aldehyde with HCN and then water

Choices

Choice (4) Response

a.

Acetic acid

b.

Acetamide

c.

Ethylamine

d.

2-Hydroxypropanoic acid

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