Among , , , and , the colourless species…

CHEMISTRY · Single correct · CBSE · Chemistry · d- and f-Block Elements · d- and f-Block Elements

Problem

Among

\text{TiF}_6^{2-}

\text{CoF}_6^{3-}

\text{Cu}_2\text{Cl}_2

, and

\text{NiCl}_4^{2-}

, the colourless species are (1)

\text{CoF}_6^{3-}

and

\text{NiCl}_4^{2-}

(2)

\text{TiF}_6^{2-}

and

\text{CoF}_6^{3-}

(3)

\text{Cu}_2\text{Cl}_2

and

\text{NiCl}_4^{2-}

(4)

\text{TiF}_6^{2-}

and

\text{Cu}_2\text{Cl}_2