Which of the following predictions is correct | vedclass

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(A) Step $1$: Transition metal ions exhibit colour due to $d-d$ electronic transitions.Step $2$: For a $d-d$ transition to occur, the $d$-orbital must

Vedclass · Accepted Answer

It contains $0$ unpaired electrons.

Vedclass · Answer

(A) Step $1$: Transition metal ions exhibit colour due to $d-d$ electronic transitions.Step $2$: For a $d-d$ transition to occur, the $d$-orbital must be partially filled, meaning there must be at least one unpaired electron.Step $3$: If a transition metal ion is colourless, it implies that no $d-d$ transition is possible.Step $4$: This occurs when the $d$-orbital is either completely empty $(d^0)$ or completely filled $(d^{10})$, both of which correspond to $0$ unpaired electrons.

Which of the following predictions is correct when a transition metal ion is colourless?

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