Interstitial compounds are non-stoichiometric compounds formed by trapping small atoms…
Chemistry · Class 12 · CBSE — The d- and f-Block Elements
Interstitial compounds are non-stoichiometric compounds formed by trapping small atoms like C, H or N in crystal lattices of transition metals. Which of the following properties is not shown by these compounds?
- They have high melting points, higher than those of pure metals.
- They are very hard, some borides are comparable to diamond in hardness.
- They are chemically very reactive.
- They retain metallic conductivity.
Answer
(C) They are chemically very reactive.
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