Question:medium

Consider the following set of reactions.
$\text{C}_6\text{H}_5\text{CN} \xrightarrow{\text{B}} \text{Y} (\text{reacts with } 2,4\text{-DNP}) \xrightarrow{\text{A}} \text{X} (\text{dissolves in dil. } \text{HCl})$
What are A and B respectively?

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Nitriles can give different products depending on the reducing agent: DIBAL-H (controlled conditions) → Aldehyde Strong reduction (Na/Hg, LiAlH$_4$) → Primary amine
Updated On: Mar 30, 2026
  • $\text{LiAlH}_4, \text{H}_2\text{O}; \text{H}_2/\text{Ni}$
  • $\text{Na}/\text{Hg}, \text{C}_2\text{H}_5\text{OH}; \text{DIBAL-H}, \text{H}_2\text{O}$
  • $\text{DIBAL-H}, \text{H}_2\text{O}; \text{LiAlH}_4, \text{H}_2\text{O}$
  • $\text{Na}/\text{Hg}, \text{C}_2\text{H}_5\text{OH}; \text{H}_2/\text{Ni}$
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The Correct Option is B

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