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Interstitial Compounds

Easychemistry

Interstitial compounds are formed when small atoms like H, C, N occupy:

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About This Question

Subject
chemistry
Chapter
d- and f-block elements
Topic
interstitial compounds
Difficulty
Easy
Year
2025
Tags
Interstitial CompoundsCrystal StructureTransition Metals

Solution

Correct Answer:

Interstitial voids

Interstitial Compounds are formed by transition metals because their crystal structures contain empty spaces called Voids or Interstices.

  • Since transition metals have large atomic radii, small atoms like Hydrogen (), Boron (), Carbon (), and Nitrogen () can fit into these voids without significantly altering the metallic lattice.
  • Properties: They are non-stoichiometric, very hard, have high melting points, and maintain high metallic conductivity.

This easy 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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