MCQ
Hydrogen occupies the $......$ holes, while carbon and nitrogen occupy $......$ holes:
- ✓Tetrahedral and octahedral
- BOctahedral and tetrahedral
- COctahedral and octahedral
- DTetrahedral and tetrahedral
✓
Answer
Correct option: A.
Tetrahedral and octahedral
The size of the hole in tetrahedral voids is smaller than the size of the hole in octahedral voids. The size of the $H$ atom is smaller than the size of $C$ and $N$ atoms. Hence, hydrogen occupies tetrahedral voids and carbon and nitrogen occupy octahedral voids.
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