$(I)\,K_3 [Fe(CN_6)]$ $(II)\, [Ni(CO)_4]^0$ $(III)\, [Cr(NH_3)_6]^{3+}$ $(IV)\, [Mn(CN)_6]^{4-}$
સાચો કોડ પસંદ કરો.
(આપેલ : $h =6.63 \times 10^{-34} \,Js$ અને $c =3.08 \times 10^{8} \,ms ^{-1}$ )
${\left[ Ni ( CN )_4\right]^{2-},\left[ Ni ( CO )_4\right],\left[ NiCl _4\right]^{2-}}$
${\left[ Fe ( CN )_6\right]^{4-},\left[ Cu \left( NH _3\right)_4\right]^{2+}}$
${\left[ Fe ( CN )_6\right]^{3-} \text { and }\left[ Fe \left( H_2O\right)_6\right]^{2+}}$