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1

NEET 2017

MCQ (Single Correct Answer)
Which of the following reactions is appropriate for converting acetamide to methanamine?
A
Hoffmann hypobromamide reaction
B
Stephen's reaction
C
Gabriel phthalimide synthesis
D
Carbylamine reaction

Explanation


It is called Hoffmann's hypobromamide reaction.
2

NEET 2017

MCQ (Single Correct Answer)
The correct increasing order of basic strength for the following compounds is
A
III < I < II
B
III < II < I
C
II < I < III
D
II < III < I

Explanation

– NO2 group has strong – R effect and – CH3 shows +R effect.

$$ \therefore $$ Order of basic strength is

3

NEET 2016 Phase 1

MCQ (Single Correct Answer)
The product formed by the reaction of an aldehyde with a primary amine is
A
carboxylic acid
B
aromatic acid
C
Schiff's base
D
ketone

Explanation

4

NEET 2016 Phase 2

MCQ (Single Correct Answer)
A given nitrogen-containing aromatic compound 'A' reacts with Sn/HCl, followed by HNO2 to give instable compound 'B'. 'B', on treatment with phenol, forms a beautiful coloured compound 'C' with the molecular formula C12H10N2O. The structure of compound 'A' is
A
B
C
D

Explanation

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Class 12