The compexes `[Co(NH_(3))_(6)][Cr(C_(2)O_(4))_(3)]` and `[Cr(NH_(3))_(6)][Co(C_(2)O_(4))_(3)]`

Options

A. 4, 4, 4
B. 2, 2, 2
C. 2, 2, 4
D. 4, 2, 4

Answer

D

Explanation

`[overset(+3)Co(en)_(3)][overset(+3)Cr(C_(2)O_(4))_(3)]`
`{:(,," "Co," "Cr),(,en rightarrow," "3," "0),(,," "2," "1),(,," "1," "2),(,," "0," "3):}`
`[overset(+2)Cu(NH_(3))_(4)][overset(+2)CuCl_(4)]`
`{:(,," "Cu," "Cu),(,NH_(3) rightarrow," "4," "0),(,," "3," "1):}`
`[overset(+3)Ni(en)_(3)][overset(+3)Co(NO_(2))_(6)]`
`{:(,," "Ni," "Co),(,en rightarrow," "3," "0),(,," "2," "1),(,," "0," "3),(,," "1," "2):}`