1.

Identify B, X and R respetectivelly in the following sequence of reactions C_(2)H_(5)MgBroverset(ClCN)rarrAoverset(H_(3)O^(+))rarrB, CH_(3)COCH_(3)underset(NaOH)overset(I_(2))rarrXoverset(Ag)rarrY C_(6)H_(5)NH_(2)underset(HCl)overset(NaNO_(2))rarrPoverset(CuCN)rarrQoverset(+4H)rarrR

Answer»

`C_(2)H_(5)COOH, CHI_(3),C_(6)H_(5)CH_(2)NH_(2)`
`C_(2)H_(5)COOH, CH_(3)I, C_(6)H_(5)COOH`
`C_(2)H_(5)CH_(2)NH_(2), CH_(3I, C_(6)H_(5)COOH`
`C_(2)H_(5)COOH, C_(2)H_(5)I, C_(6)H_(5)CONH_(2)``C_(2)H_(5)COOH, C_(2)H_(5)I, C_(6)H_(5)CONH_(2)`

Answer :A


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