Carbonyl (Aldehyde and Ketones) Carboxyl and Amino Groups in Organic Compounds NEET Questions

Organic Chemistry - Principles of Practical Chemistry

Carbonyl (Aldehyde and Ketones) Carboxyl and Amino Groups in Organic Compounds MCQ Questions


1.
Aldehydes and ketones are distinguished by
A.
Tollens’ test
B.
Lucas test
C.
Carbylamine test
D.
Hinsberg test
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ANSWER :
A. Tollens’ test
2.
Which group does Fehling’s solution test for?
A.
Aldehyde
B.
Carboxylic acid
C.
Alcohol
D.
Ketone
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ANSWER :
A. Aldehyde
3.
Carbylamine test is used for identifying
A.
Aldehydes
B.
Secondary amines
C.
Tertiary amines
D.
Primary amines
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ANSWER :
D. Primary amines
4.
Which group gives effervescence with NaHCO₃?
A.
Amine
B.
Alcohol
C.
Aldehyde
D.
Carboxylic acid
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ANSWER :
D. Carboxylic acid
5.
Acetaldehyde reduces Fehling’s solution to give

NEET - 2017

A.
No ppt
B.
Blue ppt of Cu(OH)₂
C.
Green ppt of CuCO₃
D.
Red ppt of Cu₂O
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ANSWER :
D. Red ppt of Cu₂O
6.
Brady’s reagent is used for detecting
A.
Alcohols
B.
Aldehyde and ketones
C.
Acids
D.
Esters
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ANSWER :
B. Aldehyde and ketones