Assertion: Concentrated aqueous solution is green in colour

CHEMISTRY · Subjective · A Level · Chemistry · Transition metals and their chemistry · Transition metals and their chemistry

Problem

Assertion: Concentrated aqueous

\text{CuCl}_2

solution is green in colour. Reason: The solution contains two complex ions,

[\text{Cu}(\text{H}_2\text{O})_4]^{2+}

and

[\text{CuCl}_4]^{2-}

, in equilibrium.