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The d & f Block Elements — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryThe d & f Block Elements1 Mark
Question
Catalytic activity of transition elements and their compounds is due to their _______.
✓

Answer

  1. Vacant d-orbitals.
Explanation:
The catalytic activity of transition elements is ascribed to their ability to adopt multiple oxidation states and to form complexes.

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