The pair of metal ions that can be given a spin-only magnetic moment of 3.9BM for the complex [M(H2O)6]CI2, is

The pair of metal ions that can be given a spin-only magnetic moment

1.	The pair of metal ions that can be given a spin-only magnetic moment of 3.9BM for the complex [M(H2O)6]CI2, is
A.	Co2+ and Fe2+
B.	Cr2+ and Mn2+
C.	V2+ and Co2+
D.	V2+ and Fe2+
Answer» D. V2+ and Fe2+