Organic Compounds with Oxygen-Phenols [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry]: Questions 1 - 5 of 33

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Question 1

Question MCQ▾

The Shift of a Group from Oxygen to Carbon

Choices

Choice (4)Response

a.

The Shift of a Group from Oxygen to Carbon (B)

b.

The Shift of a Group from Oxygen to Carbon (A)

c.

The Shift of a Group from Oxygen to Carbon (C)

d.

The Shift of a Group from Oxygen to Carbon (D)

Edit

Question 2

Question Assertion-Reason▾

Assertion(Ꭺ)

Phenol cannot be converted into ester by direct reaction with carboxylic acid

Reason(Ꭱ)

Electron withdrawing groups increase the acidity of phenols

Choices

Choice (4)Response

a.

Ꭺ is true but Ꭱ is false

b.

Both Ꭺ and Ꭱ are false

c.

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

d.

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

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Question 3

Question MCQ▾

Because of resonance the oxygen atom of group of phenol

Choices

Choice (4)Response

a.

Acquires positive charge

b.

Liberates

c.

Acquires negative charge

d.

Remains un effected

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Question 4

Question MCQ▾

Phenol is

Choices

Choice (4)Response

a.

A weaker base than NH3

b.

Weaker acid than carbonic acid

c.

Stronger acid than carbonic acid

d.

A neutral compound

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Question 5

Question MCQ▾

Phenol on Distillation in the Above Reaction

In the above reaction.

(1) A is

(2) B is nitrobenzene

(3) C is Nitroso benzene and phenyl hydroxyl amine

(4) A is toluene and B is nitrobenzene

Choices

Choice (4)Response

a.

1,2 and 3 are correct

b.

2 and 4 are correct

c.

1 and 3 are correct

d.

1 and 2 are correct

Edit