Electronic configuration ofAg+ - [Kr] 4d10Cu2+ - [Ar] 3d9Zn2+ - [Ar] 3d10Cu+ - [Ar] 3d10 4s1Among the four ions, only Cu2+ has an unpaired electron in the d orbital which will give rise to coloured compounds.

Q. 4

Generally transit

Class 12th Chemistry - Exemplar 8. The d-and f-Block Elements

Answer :

Electronic configuration of

Ag⁺ - [Kr] 4d¹⁰

Cu²⁺ - [Ar] 3d⁹

Zn^{2+ -} [Ar] 3d¹⁰

Cu⁺ - [Ar] 3d¹⁰ 4s¹

Among the four ions, only Cu²⁺ has an unpaired electron in the d orbital which will give rise to coloured compounds.

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