JEE Main 2026 — 28 January, Evening Shift — Question 59

The correct order of acidic strength of the major products formed in the given reactions, is :

A. $\mathrm{PhNH}_{2} \xrightarrow[\substack{\text { (2) } \mathrm{CuCN}\; \text { (3) } \mathrm{H}_{3} \mathrm{O}^{+} / \Delta}]{\text { (1) } \mathrm{NaNO}_{2}+\mathrm{HCl}\left(<5^{\circ} \mathrm{C}\right)}[\mathrm{A}]$

B. $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CHO} \xrightarrow[\Delta]{\left[\mathrm{Ag}\left(\mathrm{NH}_{3}\right)_{2}\right]^{+}, \mathrm{OH}^{-}}[\mathrm{B}]$

C. $\mathrm{CH}_{4}+\mathrm{O}_{2} \xrightarrow[\text { (ii) } \mathrm{Na}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} / \mathrm{H}^{+}]{\text {(i) } \mathrm{Mo}_{2} \mathrm{O}_{3}}[\mathrm{C}]$

D. $\mathrm{PhCH}_{2} \mathrm{MgBr}+\mathrm{CO}_{2} \xrightarrow[\mathrm{H}_{3} \mathrm{O}^{+}]{\text {Dryether }}[\mathrm{D}]$

Choose the correct answer from the options given below :