1.

The pair in which species have the same magnetic moment is:

Answer»

`"["Cr(H_(2)O)^(6)"]"^(2+)[CoCl_(4)]^(2-)`
`"["Cr(H_(2)O)^(6)"]"^(2+)[FE(H_(2)O_(6))]^(2+)`
`"["Mn(H_(2)O)^(6)"]"^(2+)[Cr(H_(2)O)_(6)]^(2+)`
`"["CoCl_(4)"]"^(2-)[Cr(H_(2)O)_(6)]^(2+)`

Solution :The magnetic moment depend UPON the no. of unparied ELECTRONS i.e, `sqrt(n(n+2))`
No. of UNPAIRED electrons in :
`Cr^(2+),[Ar]3d^(4)`( four)
`Co^(2+),[Ar]3d^(7)` (three)
`Fe^(2+),[Ar]3d^(6)` (four)
`Mn^(2+),[Ar]3d^(5)` (five)
Both `Cr^(2+)` and `Fe^(2+)` have four electrons.


Discussion

No Comment Found

Related InterviewSolutions