Consider the following complex ions $$P = [FeF_6]^{3-}$$, $$Q = [V(H_2O)_6]^{2+}$$, $$R = [Fe(H_2O)_6]^{2+}$$. The correct order of the complex ions, according to their spin only magnetic moment values (in B.M.) is :

A

$$R < Q < P$$

B

$$R < P < Q$$

C

$$Q < R < P$$

D

$$Q < P < R$$