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  • Generally, transition elements and their salts are coloured due to the presence of unpaired electrons in metal ions. Which of the following compounds are coloured? (i) {KMnO}_{4} (ii) {Ce}(SO_{4})_{2}

Generally, transition elements and their salts are coloured due to the presence of unpaired electrons in metal ions. Which of the following compounds are coloured?

(i) \text {KMnO}_{4}

(ii) \text {Ce}(SO_{4})_{2}

(iii) \text {TiCl}_{4}

(iv) \text {Cu}_{2}\text {Cl}_{2}

Answers (1)

The answer is the option (i, ii) Amongst the given options, the compounds  \text {KMnO}_{4} and \text {Ce}(SO_{4})_{2} are coloured due to the presence of unpaired electrons in metal ions.

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