MCQ
Variable valency of transition elements is on account of:
- AIncomplete s - orbitals.
- BIncomplete d - orbitals.
- CCompletely filled d - orbitals.
- DIncomplete p - orbitals.
✓
Answer
- Incomplete d - orbitals.
Explanation:
D-block elements show variable valency due to their incomplete d-orbitals.
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