Many transition metals form interstitial compounds
CHEMISTRY · Single correct · CBSE · Chemistry · d- and f-Block Elements · d- and f-Block Elements
Problem
Many transition metals form interstitial compounds. The characteristics of these interstitial compounds are: (i) They have high melting points, higher than those of pure metals. (ii) They are very hard. (iii) They retain metallic conductivity. (iv) They are chemically more reactive than the pure metals.
(1) I, II, III
(2) I, III
(3) II, IV
(4) IV only