Engineering
Chemistry
Acidic and Basic Oxides
Question

The option(s) with only amphoteric oxide is(are)

NO, B2O3, PbO, SnO2

Cr2O3, BeO, SnO, SnO2

Cr2O3, CrO, SnO, PbO

ZnO, Al2O3, PbO, PbO2

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Solution

[A] → Cr2O3, BeO, SnO, SnO2

[C] → ZnO, Al2O3, PbO, PbO2

are amphoteric