The correct order of acidic strength of the major products formed in the given reactions, is: [2026]

Question

The correct order of acidic strength of the major products formed in the given reactions, is: [2026]

A. $PhN H_{2} \begin{matrix} \overset{(1) {NaNO}_{2} + HCl (< 5 ° C)}{\to} \\ (2) CuCN \\ (3) H_{3} O^{+} / Δ \end{matrix}$ $[A]$

B. ${CH}_{3} {CH}_{2} CHO \to_{Δ}^{{[Ag {({NH}_{3})}_{2}]}^{+}, {OH}^{-}}$ $[B]$

C. ${CH}_{4} + O_{2} \begin{matrix} \overset{(i) {Mo}_{2} O_{3}}{\to} \\ (ii) {Na}_{2} {Cr}_{2} O_{7} / H^{+} \end{matrix}$ $[C]$

D. ${PhCH}_{2} MgBr + C O_{2} \begin{matrix} \overset{Dry ether}{\to} \\ H_{3} O^{+} \end{matrix}$ $[D]$

Choose the correct answer from the options given below:

Smart Achievers · Accepted Answer

(2)

Correct order of acidic strength of major product formed in the given reaction is

$(B) {CH}_{3} {CH}_{2} — CHO \to_{Δ}^{Ag {({NH}_{3})}_{2} OH} {CH}_{3} — {CH}_{2} — COOH$

$(C) {CH}_{4} + O_{2} \to_{{Na}_{2} {Cr}_{2} O_{7} / H^{+}}^{{Mo}_{2} O_{3}} HCOOH$

$(D) Ph - {CH}_{2} MgBr + {CO}_{2} \to_{H_{3} O^{∙}}^{Dry ether} Ph - {CH}_{2} - COOH$

$Ans. (2) C > A > D > B$

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