Home Chemistry D and F - Block Elements General Which forms interstitial compounds?
Chemistry D and F - Block Elements General Single Correct MCQ
Published on: August 11, 2026

Which forms interstitial compounds?

A
Fe
B
Co
C
Ni
D
All

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The correct answer is:
D

Transition metals like Fe, Co, Ni, Cu etc. form interstitial compounds with elements such as hydrogen, boron, carbon and nitrogen. The small atoms of these non-metallic elements (H, B, C, N, etc.) get trapped in vacant spaces of the lattices of the transition metal atoms.

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