What will be the colour of Cd2+ salts? Explain. – InterviewSolution

1.	What will be the colour of Cd2+ salts? Explain.
Answer» The electronic configuration of, ₄₈Cd [Kr]³⁶ 3d¹⁰ 5s² and Cd²⁺ [Kr]³⁶3d¹⁰. Cd²⁺ ions have completely filled 3d subshell and there are no unpaired electrons in 3d-orbital. Hence d → d transition is not possible. Therefore, Cd²⁺ ions do not absorb radiations in the visible region and the salts of Cd²⁺ions are colourless (or white).

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