d and f-Block ElementsMedium
Question
Which of the following is NOT a physical or chemical characteristics of interstitial compounds?
Options
A.They have high melting points, higher than those of pure metals
B.They are very soft ionic in nature
C.They retain metallic conductivity
D.They are chemically inert and usually non-stoichiometric
Solution
Sol. The physical and chemical characteristics of interstitial compounds are:
| 1) They have high melting points, higher than those of pure metals. 2) They are very hard, some borides approach diamond in hardness. 3) They retain metallic conductivity 4) They are chemically inert and usually non-stoichiometric. |
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