Multiple choice

Which of the following characteristics of transition metals is/are associated with their catalytic activity?

  1. Variable oxidation states

  2. Colour of hydrated ions

  3. High melting points

  4. All of the above
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A Correct answer
Explanation

Transition metals have the ability to utilise vacant d-orbitals. Thus, they exhibit variable oxidation states which enables the transition elements to associate with the reactants in different forms.

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