Which of the following show amphoteric behaviour?

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

Problem

Which of the following show amphoteric behaviour? (1) Zn(OH)2\text{Zn}(\text{OH})_2 (2) Be(OH)2\text{Be}(\text{OH})_2 (3) Al(OH)3\text{Al}(\text{OH})_3 (4) Pb(OH)2\text{Pb}(\text{OH})_2

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