Question

The magnetic moment of complex given below are in the order:
(I) `[Ni(CO)_(4)]`
(II) `[Mn(CN)_(6)]^(4-)`
(III) `[Cr(NH_(3))_(6)]^(3+)`
(IV) `[CoF_(6)]^(3-)`
A. I gtII gtIII gtIV
B. I ltII ltIII ltIV
C. IV gt II gtI gtIII
D. IV lt II ltI ltIII

Answer 1

Correct Answer - b
Use Pauling VB theory .