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प्रश्न
What happens when \[\ce{CH3 - Br}\] is treated with KCN?
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उत्तर
It is a nucleophilic substitution reaction. The nucleophile CN− substitutes Br−.
The reaction is as follows:
\[\ce{CH3BrKCN -> CH3CN + K Br}\]
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संबंधित प्रश्न
Chlorobenzene is extremely less reactive towards a nucleophilic substitution reaction. Give two reasons for the same.
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Write chemical equation in support of your answer.
Out of
Cl and
CH2- Cl, which one is more reactive towards nucleophilic substitution reaction and why?
Out of (CH3)3 C-Br and (CH3)3 C-I, which one is more reactive towards SN1 and why?
Which of the following compounds will give racemic mixture on nucleophilic substitution by \[\ce{OH-}\] ion?
(a) \[\begin{array}{cc}
\phantom{}\ce{CH3 - CH - Br}\\
\phantom{}|\\
\phantom{....}\ce{C2H5}\phantom{}
\end{array}\]
(b) \[\begin{array}{cc}
\phantom{..}\ce{Br}\\
\phantom{}|\\
\phantom{}\ce{CH3 - C - CH3}\\
\phantom{}|\\
\phantom{....}\ce{C2H5}\phantom{}
\end{array}\]
(c) \[\begin{array}{cc}
\phantom{....}\ce{CH3 - CH - CH2Br}\\
\phantom{}|\\
\phantom{....}\ce{C2H5}\phantom{}
\end{array}\]
Arrange the following compounds in increasing order of rate of reaction towards nucleophilic substitution.
| (a) | ![]() |
| (b) | ![]() |
| (c) | ![]() |
Haloarenes are less reactive than haloalkanes and haloalkenes. Explain.
Why haloarenes are not reactive towards nucleophilic substitution reaction? Give two reactions.



