(A) Cyanides $(-CN)$ undergo hydrolysis in the presence of an alkali (like $NaOH$) or an acid to yield a carboxylic acid group $(-COOH)$.The reaction

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(A) Cyanides $(-CN)$ undergo hydrolysis in the presence of an alkali (like $NaOH$) or an acid to yield a carboxylic acid group $(-COOH)$.The reaction is as follows:$R-CN + 2H_2O \xrightarrow{NaOH} R-COOH + NH_3$

Class 12 Chemistry 2 Aldehydes, Ketones and Carboxylic Acids: Carboxylic Acids and their Derivatives Preparation of Carboxylic Acids and Their Derivatives

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Which one of the following functional groups undergoes hydrolysis with alkali to yield an acid group?

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A
$-CN$
B
$-CHO$
C
$-COCH_3$
D
$-Br$

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2 Aldehydes, Ketones and Carboxylic Acids: Carboxylic Acids and their Derivatives

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Preparation of Carboxylic Acids and Their Derivatives

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Acetic acid is obtained when:

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The end product $B$ in the sequence of reactions: $R - X$ $\xrightarrow{KCN} A$ $\xrightarrow[H_2O]{NaOH} B$ is

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$Ph-C(=O)-CH_3$ $\xrightarrow[HCl]{NaNO_2} (A)$ $\xrightarrow[heat]{Ac_2O} (B)$ $\xrightarrow{H_3O^{+}} (C)$
Product $(C)$ of the above reaction is

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$CH_3CONH_2 \xrightarrow{NaNO_2/HCl} X$

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Identify the method by which $Me_{3}CCOOH$ can be prepared.

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Which one of the following functional groups undergoes hydrolysis with alkali to yield an acid group?

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Acetic acid is obtained when:

The end product $B$ in the sequence of reactions: $R - X$ $\xrightarrow{KCN} A$ $\xrightarrow[H_2O]{NaOH} B$ is

$Ph-C(=O)-CH_3$ $\xrightarrow[HCl]{NaNO_2} (A)$ $\xrightarrow[heat]{Ac_2O} (B)$ $\xrightarrow{H_3O^{+}} (C)$Product $(C)$ of the above reaction is

$CH_3CONH_2 \xrightarrow{NaNO_2/HCl} X$

Identify the method by which $Me_{3}CCOOH$ can be prepared.

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$Ph-C(=O)-CH_3$ $\xrightarrow[HCl]{NaNO_2} (A)$ $\xrightarrow[heat]{Ac_2O} (B)$ $\xrightarrow{H_3O^{+}} (C)$
Product $(C)$ of the above reaction is