Which of the following statements are correct?

CHEMISTRY · Multi correct · CBSE · Chemistry · Coordination Compounds · Coordination Compounds

Problem

Which of the following statements are correct? (1) The complexes

[\mathrm{NiCl}_4]^{2-}

and

[\mathrm{Ni(CN)}_4]^{2-}

differ in magnetic properties. (2) The complexes

[\mathrm{NiCl}_4]^{2-}

and

[\mathrm{Ni(CN)}_4]^{2-}

differ in geometry. (3) The complexes

[\mathrm{NiCl}_4]^{2-}

and

[\mathrm{Ni(CN)}_4]^{2-}

differ in primary valencies of nickel. (4) The complexes

[\mathrm{NiCl}_4]^{2-}

and

[\mathrm{Ni(CN)}_4]^{2-}

differ in the state of hybridization of nickel.