1.Which of the following compounds is paramagnetic?a.Tetracyanonickelate(II) ion, [Ni(CN)4]2−[\text{Ni(CN)}_4]^{2-}[Ni(CN)4]2−b.Tetraamminezinc(II) ion, [Zn(NH3)4]2+[\text{Zn(NH}_3)_4]^{2+}[Zn(NH3)4]2+c.Hexaamminechromium(III) ion, [Cr(NH3)6]3+[\text{Cr(NH}_3)_6]^{3+}[Cr(NH3)6]3+d.Diamminesilver(I) ion, [Ag(NH3)2]+[\text{Ag(NH}_3)_2]^+[Ag(NH3)2]+Login to continueOnly logged in users canattempt or see the solution.