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Chemistry · 2024 · 2 marks
CBSE 2024 · Region 5 · Set 1 · Q19
(a) Carry out the following conversions: (i) Nitrobenzene to Aniline (ii) Aniline to Phenol
(a)
Carry out the following conversions :
(i)
Nitrobenzene to Aniline
(ii)
Aniline to Phenol
OR
(b)(i)
Write a chemical test to distinguish between Dimethyl amine and Ethanamine.
(ii)
Write the product formed when benzene diazonium chloride is treated with KI.
Marking-scheme solution
(i)
(ii)
(i)
On reaction with alc. KOH and chloroform, ethanamine gives foul smelling isocyanide whereas dimethylamine does not.
(ii)
iodobenzene
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CBSE Class 12 Chemistry past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.