Which among the following cations will not fo | vedclass

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(C) The colour of transition metal ions depends on the presence of unpaired electrons in the $d$-orbitals,which allow for $d-d$ transitions. $Cu^{+}$

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$Cu^{+}$

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(C) The colour of transition metal ions depends on the presence of unpaired electrons in the $d$-orbitals,which allow for $d-d$ transitions. $Cu^{+}$ has an electronic configuration of $[Ar] 3d^{10}$. Since all $10$ electrons are paired in the $3d$ subshell,there are no unpaired electrons. Therefore,$Cu^{+}$ does not exhibit $d-d$ transitions and does not form coloured compounds.

Which among the following cations will not form coloured compounds? (Atomic number $Cu=29, Ti=22, V=23, Mn=25$)

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