Which of the following is not a characteristic of interstitial compounds of transition elements? (A) — NEET Chemistry Past Papers Chemistry Question

Question

Which of the following is not a characteristic of interstitial compounds of transition elements? (A) The formulae of these compounds do not correspond to any normal oxidation state (B) They have melting points higher than those of pure elements (C) They are very hard and some compounds approach diamond in hardness (D) They are insulators in contrast to the transition metals 3 3 3 3 6 4 2 6 4 6 2 6 2 2 6 2 MF 3− 6 BF − 4 3 2 4 4 – CO2− 3 2– NO − 2 2 7 3 2 3 2 5 2 4 2 5 2 3 2 7 3 2 5 2 5 2 4 MAJOR TEST SERIES PHASE- 1 9610ZMD800101250012