In which compund `D-` exchange is possible in presence of `OD^(-) // D_(2)O` ?

Options

A. `CH_(3)-overset(O)overset(||)(C)-Ph`
B. `CH_(2)=CH-overset(O)overset(||)(C)-Ph`
C.
D. `CH_(3)-underset(" "C_(2)H_(5))underset(|)overset(Cl)overset(|)(C)-CH=CH-CHO`

Answer

1

Explanation

`CH_(3)-overset(O)overset(||)(C)-Ph overset(OD^(-)//D_(2)O)(hArr) CH_(2)=overset(OD)overset(|)(C)-Ph hArr underset("(D-exchange)")(CH_(2)D-overset(O)overset(||)(C)-Ph)`