MCQ
Co-ordination compounds are mostly formed by:
- As-block elements
- Bp-block elements
- Cd-block elements
- Df-block elements
✓
Answer
- d-block elements
Explanation:
Since 'd' block elements have higher oxidation states and variable oxidation states and their tendency to form co-ordinate bonds due to presence of unpaired electrons, they form co-ordination complexes.
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