(C) The reaction proceeds as follows:$1$. $R-X + KCN (alc.) \rightarrow R-CN + KX$. Here,$A$ is an alkyl cyanide (nitrile).$2$. $R-CN + 2H_2O \xrighta

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(C) The reaction proceeds as follows:$1$. $R-X + KCN (alc.) \rightarrow R-CN + KX$. Here,$A$ is an alkyl cyanide (nitrile).$2$. $R-CN + 2H_2O \xrightarrow{dil. HCl} R-COOH + NH_4Cl$. The partial or complete hydrolysis of nitriles in the presence of dilute acid yields carboxylic acids.Therefore,$B$ 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 $R-X$ $\xrightarrow{alc. KCN} A$ $\xrightarrow{dil. HCl} B$,the 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

The major product in the following reaction is:

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Benzotrichloride reacts with milk of lime to form

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$CH_3CONH_2 \xrightarrow{NaNO_2/HCl} X$

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Identify the compound $(B)$ in the given reaction.
$CH_3Cl$ $\xrightarrow{KCN} (A)$ $\xrightarrow{H^+ / H_2O} (B)$

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$A \xrightarrow[\begin{smallmatrix} (ii) CN^{-} \\ (iii) H_{2}O/H^{+} \end{smallmatrix}]{(1) Cl_{2}, \Delta }$ $4-$Bromophenyl acetic acid.
In the above reaction '$A$' is ....

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In the reaction $R-X$ $\xrightarrow{alc. KCN} A$ $\xrightarrow{dil. HCl} B$,the product $B$ is .....

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