CBSE Class 12 · 2023 · Compounds Containing NitrogenMultiple Choice

Amides can be converted into amines by the reaction named:

(A)Hoffmann degradation✓ Correct
(B)Ammonolysis
(C)Carbylamine
(D)Diazotisation

Answer: (A)

Solution

Hoffmann bromamide degradation: RCONH₂ + Br₂ + 4NaOH → RNH₂ + Na₂CO₃ + 2NaBr + 2H₂O — the amide gives a 1° amine with one carbon fewer.
Correct option: (A).

CBSE Class 12 Board · 2023 · Single correct option

Practise more: all CBSE board PYQs on Compounds Containing Nitrogen →

More board questions on Compounds Containing Nitrogen

The correct name of the given reaction is
$Ar - N_{2}^{+} X^{-} CuCN/KCN Ar - CN + N_{2}$
CBSE 2024View solution →
(a) Carry out the following conversions:
(i) nitrobenzene to aniline
(ii) aniline to phenol
CBSE 2024View solution →
(b)(i) Write a chemical test to distinguish between dimethylamine and ethanamine.
(ii) Write the product formed when benzenediazonium chloride is treated with KI.
CBSE 2024View solution →
A compound 'X' with molecular formula C₃H₉N reacts with C₆H₅SO₂Cl to give a solid insoluble in alkali. Identify 'X' and give the IUPAC name of the product. Write the reaction involved.
CBSE 2024View solution →
Which of the following would not be a good choice for reducing nitrobenzene to aniline?
CBSE 2023View solution →
(a)(i) Draw the zwitterion structure of sulphanilic acid.
(ii) How can the activating effect of the –NH₂ group in aniline be controlled?
CBSE 2023View solution →