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JEE · NEET Previous Year Question

$Which of the following reactions does not yield an amine?$

Topic: JEE PYQ

Answer: C. Full step-by-step solution below.

A $R - X + NH_{3} ⟶$
B $R - CH = NOH + [H] \to Na C_{2} H_{5} OH$
C $R - CN + H_{2} O \to H^{+}$
D $R - CONH_{2} + [H] \to LiAlH_{4}$

Correct answer: C

Solution

(c) : R - X + NH_{3} ⟶ R - NH_{2} + H X R - CH = NOH + 4 [H] \to Na C_{2} H_{5} OH RCH_{2} NH_{2} + H_{2} O R - CONH_{2} + 4 [H] \to LiAlH_{4} RCH_{2} NH_{2} + H_{2} O R - CN + H_{2} O \to H^{+} R - COOH

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