Coordination Compounds

Consider the following complex ions : P, Q and R.

\(P = {[Fe{F_6}]^{3 - }}\), \(Q = {[V{({H_2}O)_6}]^{2 + }}\) and \(R = {[Fe{({H_2}O)_6}]^{2 + }}\)

The correct order of the complex ions, according to their spin-only magnetic moment values (in B.M.) is