Back to d & f- BLOCK ELEMENTS
NEET UG CHEMISTRY MCQ: d & f- BLOCK ELEMENTS
1
Hard
1 of 1
Understanding
+4 | -1
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.
More Questions from d & f- BLOCK ELEMENTS
Practice All Chapter MCQs →
A substance which is not paramagnetic is:
Green vitriol is
Which is the correct order of ionic sizes?) At.no.∶Ce=58,Sn=50,Yb=70 and Lu=71)
In the first transition series, the differentiating electron enters:
Philosopher’s wool on heating with BaO at 1100 C produce
A compound in which a metal ion (Z=25) has a spin only magnetic moment of BM. The number of unpaired electrons in the compound and the oxidation state of the metal ion are respectively.
