Detection of the following Functional Groups: Hydroxyl, Carbonyl Carboxyl, and Amino Groups in Organic Compounds NEET Questions

Organic Chemistry - Principles of Practical Chemistry

Detection of the following Functional Groups: Hydroxyl, Carbonyl Carboxyl, and Amino Groups in Organic Compounds MCQ Questions


1.

Which reagent is used to detect the phenolic -OH group?

A.

NaOH

B.

Tollen’s reagent

C.

Br2 water

D.

FeCl3

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ANSWER :

D. FeCl3

2.

Alcoholic -OH group can be detected using

A.

Br2 water

B.

FeCl3 test

C.

Tollen’s test

D.

Lucas test

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ANSWER :

D. Lucas test

3.

Phenol gives which color with FeCl3?

A.

Green

B.

Brown

C.

Yellow

D.

Violet

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ANSWER :

D. Violet

4.

Violet color with FeCl3 confirms presence of

NEET - 2016

A.

Alcohol

B.

Phenol

C.

Aldehyde

D.

Amine

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ANSWER :

B. Phenol

5.
Tollen’s reagent is used for detecting
A.
Phenolic group
B.
Alcoholic group
C.
Amino group
D.
Carbonyl group
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ANSWER :
D. Carbonyl group
6.
Fehling’s solution gives positive test for
A.
Ketone
B.
Alcohol
C.
Phenol
D.
Aldehyde
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ANSWER :
D. Aldehyde