CBSE 2022 · Region 5 · Set 1 · Q10 · 3 marks
A compound 'A' on reduction with iron scrap and hydrochloric acid gives compound 'B' with molecular formula $\displaystyle \mathrm{C}_{6} \mathrm{H}_{7} \mathrm{~N}$. Compound 'B' on reaction with $\displaystyle \mathrm{CHCl}_{3}$ and alcoholic KOH produces an obnoxious smell of carbylamine due to the formation of 'C'. Identify 'A', 'B' and 'C' and write the chemical reactions involved.
Marking-scheme solution
\(\displaystyle A=\) / Nitrobenzene, \(\displaystyle B=\) / Aniline, \(\displaystyle C=\) / Phenylisocyanide $\displaystyle \xrightarrow{\mathrm{Fe/HCl}}$ $\displaystyle \xrightarrow[\mathrm{KOH~(alc.)}]{\mathrm{CHCl}_3}$
AminesChemical Reactions of AminesApplyshort_answermedium
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CBSE Class 12 Chemistry past-paper question from the 2022board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.