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


7.

Aldehydes reduce Fehling’s solution to

A.

Hg

B.

Ag

C.

Cu

D.

Cu2O

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ANSWER :

D. Cu2O

8.

Which functional group evolves CO2 with NaHCO3?

NEET - 2021

A.

Carboxylic acid

B.

Alcohol

C.

Phenol

D.

Amide

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ANSWER :

A. Carboxylic acid

9.

Tollen’s reagent contains

A.

NaOH

B.

Copper sulfate

C.

FeCl3

D.

Ammoniacal silver nitrate

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ANSWER :

D. Ammoniacal silver nitrate

10.
Which test is used for ketones?
A.
Fehling’s
B.
Tollen’s
C.
2,4-DNP
D.
Benedict’s
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ANSWER :
C. 2,4-DNP
11.
Which test gives a silver mirror for aldehydes?
A.
Brady’s
B.
Fehling’s
C.
Tollen’s
D.
Lucas
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ANSWER :
C. Tollen’s
12.
Which group gives positive 2,4-DNP test?
A.
Amine
B.
Alcohol
C.
Phenol
D.
Aldehyde and Ketone
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ANSWER :
D. Aldehyde and Ketone