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.

The nitrating mixture used to prepare p-nitroacetanilide is

A.

HNO3 + H2SO4

B.

HNO3 + HCl

C.

HCl + H2SO4

D.

HNO3 + CH3COOH

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ANSWER :

A. HNO3 + H2SO4

8.

Why is p-nitroacetanilide formed as the major product?

A.

NHCOCH3 group is meta-directing

B.

NHCOCH3 group is ortho-para directing

C.

It is a side reaction

D.

Nitration is random

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ANSWER :

B. NHCOCH3 group is ortho-para directing

9.
p-Nitroacetanilide has a substituent at which positions?
A.
Para
B.
Ortho
C.
Meta
D.
None
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ANSWER :
A. Para
10.
The IUPAC name of acetanilide is
A.
N-phenylacetamide
B.
Phenyl ethanamide
C.
Ethyl aniline
D.
Phenylacetamide
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ANSWER :
A. N-phenylacetamide
11.

p-Nitroacetanilide has which groups?

A.

NO2 and NHCOCH3

B.

NO2 and NH2

C.

NO2 and OH

D.

NO2 and CH3

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ANSWER :

A. NO2 and NHCOCH3

12.
Which compound gives a positive iodoform test?

NEET - 2018

A.
Ethanol
B.
Formic acid
C.
Methanol
D.
Benzaldehyde
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ANSWER :
A. Ethanol