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The reagent ‘R’ in the given sequence of...

The reagent ‘R’ in the given sequence of chemical reaction is

A

`CH_(3)CH_(2)OH`

B

HI

C

CuCN/KCN

D

`H_(2)O`

Text Solution

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The correct Answer is:
A

`R: CH_(3)CH_(2)OH`
Certain mild reducing agents like hypophosphorous acid or ethanol reduce diazonium salts to arene and themselves get oxidised to phosphorous acid and ethanal respectively.
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