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 ?

Options

A. Zn (II) is oxidised into Zn (IV)
B. Paramagnetic moment decreases
C. `O-O` bond length increases
D. Paramagnetic moment increases

Answer

D

Explanation

`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^(-))):}`