Periodic Classification and Periodic Properties - Result Question 29

####26. The option(s) with only amphoteric oxides is(are)(2017 Adv.)

(a) NO,B2O3,PbO,SnO2

(b) Cr2O3,CrO,SnO,PbO

(c) Cr2O3,BeO,SnO,SnO2

(d) ZnO,Al2O3,PbO,PbO2

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Answer:

Correct Answer: 26. (c)

Solution:

  1. (c) is incorrect because NO is neutral oxide.

(d) is incorrect because CrO is basic oxide.



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