1.

`R - CH_(2) - CH_(2) OH` can be covered into `RCH_(2) CH_(2) COOH`. The correct sequency of the reagents isA. `PBr_(3), KCN, H_(3) O^(+)`B. `PBr_(3), KCN, H_(2)`C. `HCN, PBr_(3), H^(+)`D. `HCN, H^(+)`

Answer» Correct Answer - A
`R - CH_(2) CH_(2)OH overset (PHr_(3) to R - CH_(2) CH_(2) - Br`
`overset (RCN) to R - CH_(2) - CH_(2) - Cn overset (H_(2)O^(+)) to R - CH_(2) - CH_(2)COONa + CO_(2) + NH_(3)`


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