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Manipal MET2023Chemistryd and f Block Elements

Among Cu ²⁺, Fe ³⁺, Ti ³⁺ and Zn ²⁺ ions. The number of ions that impart colour is____.

Correct answer

3

Step-by-step solution

Cu ²⁺, Fe ³⁺, Ti ³⁺ have unpaired electron which impart colour to the ions whereas Zn ²⁺ has no unpaired, thus it does not impart any colour.

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