1.

C_(6)H_(5)NH_(2)overset(NaNO_(2)//HCl)rarrXoverset(Cu_(2)(CN)_(2))rarrYoverset(H_(2)O//H^(+))rarrZ Z is identified as

Answer»

`C_(6)H_(5)-NH-CH_(3)`
`C_(6)H_(5)-COOH`
`C_(6)H_(5)-CH_(2)-NH_(2)`
`C_(6)H_(5)-CH_(2)-COOH`

Solution :`C_(6)H_(5)NH_(2)overset(NaNO_(2)//HCl)rarrC_(6)H_(5)N_(2)Cl`
`overset(Cu_(2)(CN)_(2))rarrC_(6)H_(5)CNoverset(H_(@)O //H^(+))rarrunderset("Benzoic acid")(C_(6)H_(5)-COOH)`
THUS product Z is identified as `C_(6)H_(5)-COOH`


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