Question

the pair of metal ions that can give a spin - only magnetic moment of 3.9 BM for the complex `[M(H_(2) O)_(6)]Cl_(2)`is
A. `Cr^(2+) and Mn^(2+)`
B. `V^(2+) and Co^(2+)`
C. `V^(2+) and Fe^(2+)`
D. `Co^(2+) and Fe^(2+)`.

Answer 1

Correct Answer - B