1.

The complex K_(4)[Zn(CN)_(4)(O_(2))_(2)] is oxidised into K_(2)[Zn(CN)_(4)(O_(2))_(2)], then which of the following is correct ?

Answer»

Zn (II) is oxidised into Zn (IV)
Paramagnetic moment DECREASES
`O-O` bond length increases
Paramagnetic moment increases

SOLUTION :`OVERSET(+4)K_(4)[overset(+2)Zn(overset(-4)CN)_(4)(overset(-2)O_(2))_(2)] to overset(+2)K_(2)[overset(+2)Zn(overset(-4)CN)_(4)(overset(0)O_(2))_(2)]`
`{:(""O_(2)^(-),to,""O_(2)^(-)),("(Paramagnetic)",,"(Paramagnetic)"),(" "B.O.=1.5,," "B.O.=2.0),(""(2u.P.e^(-)),,""(2u.P.e^(-))):}`


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