Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 12
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How Would You Account for the Following? Transition Metals Exhibit Variable Oxidation States. - Chemistry

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How would you account for the following? 

Transition metals exhibit variable oxidation states.

 

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Solution

(i) The variable oxidation states of transition elements are due to the participation of ns and (n−1)d-electrons in bonding. Lower oxidation state is exhibited when ns-electrons take part in bonding. Higher oxidation states are exhibited when (n − 1) d-electrons take part in bonding.

Concept: General Properties of the Transition Elements (D-block)
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