(D) The reaction is a nucleophilic substitution reaction.$C_2H_5Br + KCN \rightarrow C_2H_5CN + KBr$Here,$C_2H_5Br$ (Ethyl bromide) reacts with $KCN$

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(D) The reaction is a nucleophilic substitution reaction.$C_2H_5Br + KCN \rightarrow C_2H_5CN + KBr$Here,$C_2H_5Br$ (Ethyl bromide) reacts with $KCN$ to form $C_2H_5CN$ (Ethyl cyanide or Propanenitrile) as compound $A$.Further hydrolysis of $A$ $(C_2H_5CN)$ yields $B$ ($C_2H_5COOH$,Propanoic acid).Therefore,compound $A$ is Ethyl cyanide.

Class 12 Chemistry Haloalkanes and Haloarenes Properties of Haloalkanes

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$C_2H_5Br$ $\xrightarrow{KCN} A$ $\xrightarrow{\text{Hydrolysis}} B$
The compound $A$ in the above reaction is

A
Ethylene chloride
B
Acetic acid
C
Propanoic acid
D
Ethyl cyanide

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Class 12

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Haloalkanes and Haloarenes

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Properties of Haloalkanes

Describe the color,odor,and density of haloalkanes.

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In the following reaction $C_6H_5CH_2Br \xrightarrow{1. Mg, \text{ ether } \atop 2. H_3O^{+}} X$,the product $X$ is

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Which of the following is most reactive for $SN^1$ reaction?

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What is the major product of the following reaction?
$CH_2=CH-CH_2-CH(Br)-CH_3 + KOH \xrightarrow[\text{heat}]{\text{alcohol}} \dots$

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In which alkyl halide,$SN^2$ mechanism is favoured maximum?

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$C_2H_5Br$ $\xrightarrow{KCN} A$ $\xrightarrow{\text{Hydrolysis}} B$The compound $A$ in the above reaction is

Similar Questions

Describe the color,odor,and density of haloalkanes.

In the following reaction $C_6H_5CH_2Br \xrightarrow{1. Mg, \text{ ether } \atop 2. H_3O^{+}} X$,the product $X$ is

Which of the following is most reactive for $SN^1$ reaction?

What is the major product of the following reaction? $CH_2=CH-CH_2-CH(Br)-CH_3 + KOH \xrightarrow[\text{heat}]{\text{alcohol}} \dots$

In which alkyl halide,$SN^2$ mechanism is favoured maximum?

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$C_2H_5Br$ $\xrightarrow{KCN} A$ $\xrightarrow{\text{Hydrolysis}} B$
The compound $A$ in the above reaction is

What is the major product of the following reaction?
$CH_2=CH-CH_2-CH(Br)-CH_3 + KOH \xrightarrow[\text{heat}]{\text{alcohol}} \dots$