Organic Compounds: Acetanilide, p-nitro Acetanilide, Aniline Yellow, Iodoform NEET Questions

Organic Chemistry - Principles of Practical Chemistry

Organic Compounds: Acetanilide, p-nitro Acetanilide, Aniline Yellow, Iodoform MCQ Questions


7.
Melting point of pure acetanilide is approximately:
A.
180 °C
B.
85 °C
C.
60 °C
D.
114 °C
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ANSWER :
D. 114 °C
8.
Acetanilide is also known by the trade name:
A.
Aspirin
B.
Antifebrin
C.
Paracetamol
D.
Phenacetin
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ANSWER :
B. Antifebrin
9.
During acetylation of aniline, the lone pair on nitrogen acts as:
A.
Nucleophile attacking carbonyl carbon of acetic anhydride
B.
Free radical initiator
C.
Electrophile attacking acetic anhydride
D.
Reducing agent
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ANSWER :
A. Nucleophile attacking carbonyl carbon of acetic anhydride
10.
Acetanilide on hydrolysis with dilute acid gives:
A.
Nitrobenzene and acetic acid
B.
Aniline and formic acid
C.
Phenol and acetic acid
D.
Aniline and acetic acid
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ANSWER :
D. Aniline and acetic acid
11.
In acetanilide the acetyl group acts as a:
A.
Strong leaving group
B.
Activating group only
C.
Protecting group for –NH2
D.
Oxidising agent
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ANSWER :
C. Protecting group for –NH2
12.
Compared to aniline, acetanilide is:
A.
Less basic
B.
Equally basic
C.
More basic
D.
Strongly acidic
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ANSWER :
A. Less basic