Interstitial Compounds
Which statement about interstitial compounds of transition metals is correct?
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About This Question
- Subject
- chemistry
- Chapter
- d- and f-block elements
- Topic
- interstitial compounds
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
They are usually hard and retain metallic conductivity
Interstitial compounds form when small atoms like H, B, C, or N occupy interstitial sites in the metal lattice. This often increases hardness while maintaining metallic character such as electrical conductivity. They are often non-stoichiometric and generally have high melting points. Hence the statement about hardness and conductivity is correct.
This medium difficulty chemistry question is from the chapter d- and f-block elements, covering the topic of interstitial compounds. It appeared in the 2025 exam.
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