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


13.
Which group is present in both aldehydes and carboxylic acids?
A.
Carbonyl
B.
Hydroxyl
C.
Amine
D.
Nitro
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ANSWER :
A. Carbonyl
14.

Which of the following will give iodoform test?

NEET - 2016

A.

CH3CH(OH)CH3

B.

CH3CH2OH

C.

CH3COCH3

D.

All of these

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ANSWER :

D. All of these

15.
Which compound does not give Fehling’s test?
A.
Benzaldehyde
B.
Formaldehyde
C.
Acetaldehyde
D.
Acetone
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ANSWER :
A. Benzaldehyde
16.
Aniline gives positive test with
A.
Ninhydrin
B.
Fehling’s solution
C.
Tollens’ reagent
D.
2,4-DNP
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ANSWER :
A. Ninhydrin
17.
Which of the following groups gives a violet ring with Molisch’s reagent?
A.
Carbohydrates
B.
Amine
C.
Aldehyde
D.
Alcohol
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ANSWER :
A. Carbohydrates
18.
Which functional group is acidic?
A.
Carboxyl
B.
Amino
C.
Amide
D.
Aldehyde
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ANSWER :
A. Carboxyl