Organic Compounds With Oxygen (NEET (National Eligibility cum Medical Entrance Test) Chemistry): Questions 50 - 54 of 76

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Question number: 50

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

MCQ▾

Question

Which of the following statements is wrong?

Choices

Choice (4) Response

a.

Aldehydes and ketones are good reducing agents

b.

Aldehydes are more reactive than ketones

c.

Aldehydes and ketones are polar compounds

d.

Aldehydes and ketones are reduced to alcohols.

Question number: 51

» Organic Compounds With Oxygen » Alcohols » Inroduction

MCQ▾

Question

Carbinol is

Choices

Choice (4) Response

a.

CH3CH2CH (OH) CH3

b.

CH3OH

c.

C2H5OH

d.

(CH3) 2CHOH

Question number: 52

» Organic Compounds With Oxygen » Preparation, Properties and Reactions and Uses

MCQ▾

Question

Which reagent is useful in converting 1-butanol to 1-bromobutane?

Choices

Choice (4) Response

a.

CHBr3

b.

PBr3

c.

CH3Br

d.

Br2

Question number: 53

» Organic Compounds With Oxygen » Preparation, Properties and Reactions and Uses

Assertion-Reason▾

Assertion (Ꭺ)

Tert- butyl alcohol undergoes acid catalysed dehydration readily than propanol.

Reason (Ꭱ)

3° alcohols do not give Victor-Meyer’s test.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Ꭺ is true but Ꭱ is false

c.

Ꭺ is false but Ꭱ is true

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

Question number: 54

» Organic Compounds With Oxygen » Preparation, Properties and Reactions and Uses

MCQ▾

Question

Alcohols

(i) CH3CH2CH2OH, (ii) CH3- CHOH - CH3 and

(iii) CH3 - C (CH3) (OH) - CH3 were treated with Lucas reagent (Cone. HCl + ZnCl2).

What results do you expect at room temperature?

Choices

Choice (4) Response

a.

(iii) reacts immediately, (ii) reacts in about 5 minutes and (i) not at all

b.

(ii) and (iii) react immediately and (i) in about 5 minutes

c.

(i) reacts in about 5 minutes, (ii) reacts in about 15 minutes and (iii) not at all

d.

(i) reacts immediately, (ii) reacts in about 5 minutes and (iii) not at all

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