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प्रश्न
Write the structure of the major organic product in the following reaction:
\[\ce{CH3CH2Br + KCN ->[aq{.} ethanol]}\]
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उत्तर
\[\ce{\underset{Bromoethane}{CH3CH2Br} + KCN ->[aq{.} ethanol][(nucleophilic substitution)] \underset{Propanenitrile}{CH3CH2CN} + KBr}\]
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(I)

(II)
(CH3)3CCl
(III)
(CH3)2CHCl
(IV)
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(i)

(ii)
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(iii)
\[\begin{array}{cc}
\ce{CH3}\phantom{..}\\
|\phantom{....}\\
\ce{CH3-CH-CH2Cl}
\end{array}\]
(iv)
\[\begin{array}{cc}
\phantom{..}\ce{H}\\
\phantom{..}|\\
\ce{CH3-C-Cl}\\
\phantom{..}|\\
\phantom{.....}\ce{C2H5}
\end{array}\]
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