\([Fe(NH_3)_6]^{3+}, [Mn(CN)_6]^{4-}\) and \([Co(NH_3)_6]^{2+}\) are inner orbital complexes and are also paramagnetic in nature having magnetic moment of \(\sqrt 3 \,B.M.\)
$(P)\, Fe(CO)_5\,\,\, (Q)\,CO\,\,\, (R)\, H_3B \leftarrow CO\,\,\,(S)\, [Mn(CO)_5]^-$