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Other Synthesis Methods

Which of the ...

Question

Which of the following conversions is known as Stephen’s reduction?

A

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B

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C

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D

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Solution

The correct option is B
Stephen reduction involves the conversion of nitrile into aldehyde group using $S n C l_{2}$ , $H C l$ and $H_{2} O$ .
$H_{2} O$ is used to quench the intermiediate imine.

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Q. Explain the following with suitable example:
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Q. State whether the following conversions are oxidation or reduction?

P b O_{2} + {S O}_{2} \to P b {S O}_{4}

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