1.Which of the following compounds is not coloured?a.[Ti(H2O)6]3+[\text{Ti(H}_2\text{O)}_6]^{3+}[Ti(H2O)6]3+b.[Cu(H2O)6]2+[\text{Cu(H}_2\text{O)}_6]^{2+}[Cu(H2O)6]2+c.[CoCl4]2−[\text{CoCl}_4]^{2-}[CoCl4]2−d.[Mn(H2O)6]2+[\text{Mn(H}_2\text{O)}_6]^{2+}[Mn(H2O)6]2+Login to continueOnly logged in users canattempt or see the solution.