Periodic Classification and Periodic Properties - Result Question 29
####26. The option(s) with only amphoteric oxides is(are)(2017 Adv.)
(a) $NO, B _2 O _3, PbO, SnO _2$
(b) $Cr _2 O _3, CrO, SnO, PbO$
(c) $Cr _2 O _3, BeO, SnO, SnO _2$
(d) $ZnO, Al _2 O _3, PbO, PbO _2$
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Answer:
Correct Answer: 26. (c)
Solution:
- (c) is incorrect because NO is neutral oxide.
(d) is incorrect because $CrO$ is basic oxide.
