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Identify the compounds in the following.
Question
$\text{CH}_3\text{CH}_2\text{Br} \xrightarrow{\text{KCN}} [\text{A}] \xrightarrow{\text{LiAlH}_4} [\text{B}] \xrightarrow{\text{HNO}_2} [\text{C}]$
Answer
Answer
AI[A]: Propanenitrile (ethyl cyanide), $\text{CH}_3\text{CH}_2\text{CN}$
[B]: Propan-1-amine (propylamine), $\text{CH}_3\text{CH}_2\text{CH}_2\text{NH}_2$
[C]: Propan-1-ol, $\text{CH}_3\text{CH}_2\text{CH}_2\text{OH}$
From ISC 2026 Chemistry Paper 1, question 18(i).