Which of the following is an interstitial compound?
Show Hint
- \( \text{SC}_2\text{O}_3 \)
- \( \text{Mn}_4\text{N} \)
- \( \text{TiCl}_4 \)
- \( \text{TiN} \)
The Correct Option is D
Solution and Explanation
An interstitial compound is a compound in which small atoms, such as hydrogen, carbon, or nitrogen, occupy the interstitial spaces (voids) between the atoms of a host metal. These compounds exhibit unique properties, such as hardness and electrical conductivity, because of the small atoms filling the gaps in the lattice structure.
Among the given options:
- \( \text{SC}_2\text{O}_3 \) is not an interstitial compound.
- \( \text{Mn}_4\text{N} \) is a compound of manganese and nitrogen, but not an interstitial compound.
- \( \text{TiCl}_4 \) is titanium tetrachloride, a molecular compound, not an interstitial compound.
- \( \text{TiN} \), titanium nitride, is an interstitial compound where nitrogen atoms occupy the interstitial spaces in the titanium lattice.
Thus, the correct answer is \( D \).
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