Compare the 2 methods shown for the preparation of carboxylic acids
$M e t h o d 1 : R B r M g - ------ \to d i e t h y l e t h e r R M g B r (i) C O_{2} - --- \to (i i) H_{3} O + R C O O H$
$M e t h o d 2 : R B r N a C N - --- \to R C N H_{2} O, H C l - ----- \to Δ R C O O H$
Which one of the following statements correctly describes this conversion?

Both method 1 and 2 are appropriate for carrying out this conversion

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Neither method 1 and 2 is appropriate for carrying out this conversion

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Method 1 will work well, but method 2 is not appropriate

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Method 2 will work well, but method 1 is not appropriate

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Solution

The correct option is B Neither method 1 and 2 is appropriate for carrying out this conversion
$C N^{-}$ is a strong nucleophile and causes elimination.

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Similar questions

R B r M g - ------- \to d i e t h y l e i t h e r R M g B r 1. C O_{2} - ---- \to 2. H_{3} O^{+} R C O_{2} H

R B r N a C N - --- \to R C N H_{2} O, H C l - ----- \to h e a t R C O_{2} H

Zn + HNO3 ------ Zn(NO3)2 + NO2 + H2O please balance this in method which you have thought . But not in trail method

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