✓ Board-verified
Chemistry · 2026 · 1 mark
CBSE 2026 · Region 5 · Set 3 · Q4
Which of the following reagents are used to prepare primary amines by Hoffmann bromamide degradation reaction? (i) R - O ∥ C - NH_2 (ii) NaOH (iii)…
Which of the following reagents are used to prepare primary amines by Hoffmann bromamide degradation reaction?
(i)
$\displaystyle \mathrm{R}-\overset{\textstyle\mathrm{O}}{\overset{\textstyle\|}{\mathrm{C}}}-\mathrm{NH_2}$
(ii)
NaOH
(iii)
$\displaystyle \mathrm{Br}_{2}$
(iv)
$\displaystyle \mathrm{CHCl}_{3}$
Official answer
(C)
(i), (ii) and (iii)
More from Amines
- Assertion: Acetanilide ( -NHCOCH_3 ) is less basic than aniline. Reason (R): Acetylation of aniline results in decrease of electron density on…2024 · asked 2×
- Among the following, which is the strongest base?2023 · asked 2×
- Which of the following is least basic?2023
- Assertion: Aliphatic primary amines can be prepared by Gabriel phthalimide synthesis. Reason (R): Alkyl halides undergo nucleophilic substitution…2024
- How will you obtain the following from benzene diazonium chloride? Write chemical equations involved: 3 []2026
- A compound 'A' on reduction with iron scrap and hydrochloric acid gives compound 'B' with molecular formula C_6 H_7 N. Compound 'B' on reaction with…2022
- Assertion: Aniline is a stronger base than ammonia. Reason (R): The unshared electron pair on nitrogen atom in aniline becomes less available for…2024
- Identify the primary amine from the given options:2024
CBSE Class 12 Chemistry past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.