Friedel (Craft's Alkylation and Acylation,...) NEET Questions

Organic Chemistry - Hydrocarbons

Friedel (Craft's Alkylation and Acylation,...) MCQ Questions


7.
Which of the following functional groups is an electron-withdrawing group and deactivates the benzene ring in Friedel-Craft's reactions?
A.
Methyl group
B.
Nitro group
C.
Hydroxyl group
D.
Amino group
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ANSWER :
B. Nitro group
8.

What is the product when benzene reacts with acetyl chloride in the presence of AlCl3?

A.

Toluene

B.

Acetophenone

C.

Benzoic acid

D.

Anisole

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ANSWER :

B. Acetophenone

9.
The directive influence of an electron-donating group like -OH on a mono-substituted benzene ring in Friedel-Craft’s reactions is to direct substitution at which position?
A.
Meta position
B.
Ortho and para positions
C.
Only ortho position
D.
Only para position
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ANSWER :
B. Ortho and para positions
10.
Which of the following will not undergo Friedel-Craft's alkylation reaction?
A.
Benzene with a methyl group
B.
Benzene with a strong electron-withdrawing group
C.
Toluene
D.
Benzene itself
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ANSWER :
B. Benzene with a strong electron-withdrawing group
11.

Which of the following is not a typical catalyst used in Friedel-Craft’s alkylation?

A.

NaOH

B.

H2SO4

C.

AlCl3

D.

FeCl3

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ANSWER :

A. NaOH

12.

In the reaction of benzene with acyl chloride, which of the following is a by-product?

A.

HCl

B.

Acetone

C.

CO2

D.

Chlorine gas

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ANSWER :

A. HCl