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NEET UG CHEMISTRY MCQ: d & f- BLOCK ELEMENTS
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Which of the following statements are correct?
(i) Interstitial compounds contain non-metal atoms trapped inside the metal crystal whereas alloys are homogeneous blend of metals.
(ii) Steel and bronze are alloys of transition and nontransition metals.
(iii) Some boride containing interstitial compounds are very hard comparable to that of diamond.
(iv) Interstitial compounds are chemically more reactive than parent metal.
(i) Interstitial compounds contain non-metal atoms trapped inside the metal crystal whereas alloys are homogeneous blend of metals.
(ii) Steel and bronze are alloys of transition and nontransition metals.
(iii) Some boride containing interstitial compounds are very hard comparable to that of diamond.
(iv) Interstitial compounds are chemically more reactive than parent metal.
View answer and explanation
Correct option: A
(i) and (iii)
Option A ((i) and (iii)) is correct because interstitial compounds contain non-metal atoms trapped inside the metal crystal, and some boride interstitial compounds are very hard.
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