1.

What are interstitial compounds? Give their properties.

Answer»

Solution :(i) An INTERSTITIAL compound or alloy is a compound that is formed when small atoms LIKE hydrogen, boron, CARBON or nitrogen are trapped in the interstitial holes in a metal lattice. They are usually non-stoichiometric compounds. e.g., `Tic, ZrH_(1.92), Mn_(4)N`.
(ii) They are hard and show electrical and thermal conductivity.
(iii) they have high melting point
(iv)TRANSITION metal hydrides are used as powerful reducing agent
(V)Metallic carbibes are chemically inert


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