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NEET 2013
Exam
NEET
Year
2013
Subject
Chemistry
Chapter
d and f Block Elements

NEET 2013 · Chemistry · d and f Block Elements

Which of the following statements about the interstitial compounds...

Which of the following statements about the interstitial compounds is incorrect?

Options

  1. AThey retain metallic conductivity
  2. BThey are chemically reactive
  3. CThey are much harder than the pure metal
  4. DThey have higher melting points than the pure metal

Correct answer

B. They are chemically reactive

Step-by-step solution

Interstitial compounds are obtained when small atoms like H,B,C,N\mathrm{H}, \mathrm{B}, \mathrm{C}, \mathrm{N} etc., fit into the lattice of other elements. These retain metallic conductivity. These resemble the parent metal in chemical properties (reactivity) but differ in physical properties like hardness, melting point etc.
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