1.

Ph-NH_(2)underset(0^(@)C)overset(HNO_(2))to A underset(BF_(3))overset(HF)toB overset(Delta)to C, C is

Answer»

`Ph-overset(+)(N)-=NBF_(4)^(-)`


Ph-F

Solution :`Ph-NH_(2)underset(0^(@)C)overset(HNO_(2))to underset((A))(Ph-overset(+)(N)-=N)underset(BF_(3))overset(HF)to underset((B))(Ph-overset(+)(N)-=NBF_(4)^(-))overset(DELTA)to underset((C))(Ph-F)+BF_(3)+N_(2)`.


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