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Question: Answered & Verified by Expert
Which property from following is NOT exhibited by interstitial compound?
Chemistryd and f Block ElementsMHT CETMHT CET 2021 (21 Sep Shift 2)
Options:
  • A Their melting points are higher than pure metal.
  • B Their densities are less than parent metal.
  • C Their chemical properties are different than parent metal.
  • D These are hard and good conductors of heat and electricity.
Solution:
1047 Upvotes Verified Answer
The correct answer is: Their chemical properties are different than parent metal.
The compounds formed when small atoms of $\mathrm{H}, \mathrm{C}$ or $\mathrm{N}$ get trapped inside the crystal lattice of metals is known as interstitial compounds.
- The chemical properties of the parent transition metals are not altered during the formation of interstitial compounds.
- These compounds have very high melting points, higher than that of the parent transition metals.
- These compounds are very hard. The hardness of some borides is comparable to that of a diamond.
- The conductivity exhibited by them is similar to their parent metal.
- These compounds are chemically inert in nature.

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