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Question

Catalyst $$Sn{ Cl }_{ 2 }/HCl$$ is used in:


A
Stephen's reduction
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B
Cannizzaro's reaction
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C
Clemmensen reduction
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D
Rosenmund's reduction
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Solution

The correct option is C Stephen's reduction
In the Stephen's reduction alkyl cyanide is reduced to aldehyde by $$Sn{ Cl }_{ 2 }/HCl$$.
$$R-C\equiv N+2H\xrightarrow [  ]{ Sn{ Cl }_{ 2 }/HCl } \underset { alidine\quad hydrochloride }{ RCH=NH.HCl } $$ $$\xrightarrow [  ]{ { H }_{ 2 }O } \underset { aldehyde }{ RCHO } +{ NH }_{ 4 }Cl$$

Chemistry

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