1
MCQ (Single Correct Answer)

NEET 2016 Phase 2

Which one of the following nitro-compounds does not react with nitrous acid?
A
B
C
D

Explanation

Tertiary nitroalkanes do not react with nitrous acid as they do not contain $$\alpha $$-hydrogen atom.
2
MCQ (Single Correct Answer)

AIPMT 2015 Cancelled Paper

The electrolytic reduction of nitrobenzene in strongly acidic medium produces
A
azobenzene
B
aniline
C
$$p$$-aminophenol
D
azoxybenzene.

Explanation

3
MCQ (Single Correct Answer)

AIPMT 2015

The number of structural isomers possible from the molecular formula C3H9N is
A
5
B
2
C
3
D
4

Explanation



Total 4 structural isomers are possible.
4
MCQ (Single Correct Answer)

AIPMT 2015

Method by which aniline cannot be prepared is
A
degradation of benzamide with bromine in alkaline solution
B
reduction of nitrobenzene with H2/Pd in ethanol
C
potassium salt of phthalimide treated with chlorobenzene followed by hydrolysis with aqueous NaOH solution
D
hydrolysis of phenylisocyanide with acidic solution.

Explanation

Because arylhalides do not undergo nucleophilic substitution reaction with potassium phthalimide easily.

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