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R - CH(2) - CH(2) OH can be converted in...

`R - CH_(2) - CH_(2) OH` can be converted into `RCH_(2) CH_(2) COOH`. The correct sequence of the reagents is

A

`PBr_(3), KCN, H_(3)O^(+)`

B

`PBr_(3), KCN, H_(2)`

C

`HCN, PBr_(3), H^(+3)`

D

`KCN, H^(+)`

Text Solution

Verified by Experts

The correct Answer is:
A
`R-CH_(2)CH_(2)OH overset(PBr_(3))to R-CH_(2)CH_(2)-Br overset(KCN)to R-CH_(2)-CH_(2)-CN overset(H_(3)O^(+))to R-CH_(2)COOH+ NH_(3)`
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