The correct set of reagents for the following conversion is · ABC26OR0880
Subject: Organic Chemistry · Chapter: Reagents, Reaction Mechanisms & Named Reactions · Topic: Reagents, Reaction Mechanisms & Named Reactions – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Easy
The correct set of reagents for the following conversion is 
(a)(i) $\mathrm{NaNH}_{2} /$ liq. $\mathrm{NH}_{3}$; (ii) $\mathrm{NaNO}_{2} /$ dil. HCl ; (iii) CuCN , heat
(b)(i) $\mathrm{HNO}_{3} / \mathrm{H}_{2} \mathrm{SO}_{4}$; (ii) $\mathrm{Zn} / \mathrm{HCl}$; (iii) $\mathrm{NaNO}_{2} /$ dil. HCl ; (iv) CuCN , heat
(c)(i) $\mathrm{Mg} /$ ether, $\mathrm{H}_{2} \mathrm{O}^{+}$; (ii) $(\mathrm{EtO})_{2} \mathrm{CO}$; (iii) $\mathrm{NH}_{4} \mathrm{OH}$; (iv) $\mathrm{PCl}_{5}$
(d)(i) $\mathrm{Mg}$/ether, $\mathrm{H_2O^{+}}$; (ii) $\mathrm{HNO_3/H_2SO_4}$; (iii) $\mathrm{NaNO_2}$/dil. HCl; (iv) CuCN, heat
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
NaNH₂ forms 3-methoxybenzyne. NH₂⁻ adds meta to OMe, giving m-anisidine. Diazotisation and CuCN (Sandmeyer) then give 3-methoxybenzonitrile (a).
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