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NEETChemistryd and f Block Elements

What is the reason Transition metals and their many compounds act as good catalyst?

Options

  1. ATransition metals have high ionization energies.
  2. BTransition metals have completely filled d-orbitals.
  3. CTransition metals have low reactivity with other elements.
  4. DTransition metals show variable valencies and can easily change their oxidation states and form intermediates

Correct answer

D. Transition metals show variable valencies and can easily change their oxidation states and form intermediates

Step-by-step solution

Correct Option is : (D) Transition metals show variable valencies and can easily change their oxidation states and form intermediates in catalytic reactions.

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