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Consider the following complex ions, P, Q and R.
`P=[FeF_6]^(3-), Q=[V(H_2O)_6]^(2+) and R= [Fe(H_2O)_6]^(2+)`.
The correct order of the complex ions, according to their spin-only magnetic moment values (in B.M.) is
A. |
R<Q<P |
B. |
Q<R<P |
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C. |
R<P<Q |
D. |
Q<P<R |
Number of' unpaired electrons