(C) The reaction proceeds as follows:$1$. $R - X + KCN \xrightarrow{\text{alcoholic}} R - CN + KX$ (Nucleophilic substitution to form an alkyl cyanide

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(C) The reaction proceeds as follows:$1$. $R - X + KCN \xrightarrow{\text{alcoholic}} R - CN + KX$ (Nucleophilic substitution to form an alkyl cyanide $A$).$2$. $R - CN + 2H_2O \xrightarrow{H^\oplus/\Delta} R - COOH + NH_3$ (Acidic hydrolysis of cyanide to form a carboxylic acid $B$).Therefore,the final product $(B)$ is a carboxylic acid.

Class 12 Chemistry 8-2.Carboxylic acids and Their derivative Preparation of Carboxylic Acids and Their Derivatives

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In the reaction $R - X$ $\xrightarrow[\text{alcoholic}]{KCN} A$ $\xrightarrow[\Delta]{H_2O/H^\oplus} B$,product $(B)$ is

A
Alkyl chloride
B
Aldehyde
C
Carboxylic acid
D
Ketone

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8-2.Carboxylic acids and Their derivative

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Preparation of Carboxylic Acids and Their Derivatives

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$CH_3MgBr + CO_2$ $\xrightarrow{\text{Dry ether}} Y$ $\xrightarrow{H_3O^{\oplus}} Z$
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In the reaction $R - X$ $\xrightarrow[\text{alcoholic}]{KCN} A$ $\xrightarrow[\Delta]{H_2O/H^\oplus} B$,product $(B)$ is

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Malonic acid can be prepared from acetic acid using which combination of chemicals in the proper sequence?

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$CH_3MgBr + CO_2$ $\xrightarrow{\text{Dry ether}} Y$ $\xrightarrow{H_3O^{\oplus}} Z$
Identify $Z$ from the following.