Oxide of metal cation which is not amphoteric?

CHEMISTRY · Single correct · CBSE · Chemistry · Metals and Non-metals · Metals and Non-metals

Problem

Oxide of metal cation which is not amphoteric? (1) Al3+\text{Al}^{3+} (2) Cr3+\text{Cr}^{3+} (3) Fe3+\text{Fe}^{3+} (4) Zn2+\text{Zn}^{2+}

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