8.18 Predict for the following, will be coloured in aqueous solution? Give reason.

(v)\; Mn^{2+}

Answers (1)
M manish

Yes, the aqueous solution of Mn^{2+} (manganese ion) will be coloured due to half filled electron in it d-orbitals(d^{5}) and because of that d-d transition will occurs , which is responsible for colour.
the electronic configuration of Mn^{2+}=[Ar]^{18}d^{5}4s^{0}

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