MHT CET · Chemistry · d and f Block Elements
Which property from following is NOT exhibited by interstitial compound?
- 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.
Answer & Solution
Correct Answer
(C) Their chemical properties are different than parent metal.
Step-by-step Solution
Detailed explanation
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.
- 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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