Reaction of acids with amphoteric oxides and hydroxides
Answer Text: Reaction of acids with amphoteric oxide and hydroxide- Oxides react with acids to form a salt and water only in a reaction called neutralization reaction.EquationsOxides:i)PbO(s)+2H+(aq)→Pb2++H2O(l)ii)Al2O3(s)+6H+→2Al3+(aq)+3H2O(l)iii)ZnO(s)+2HCl(aq)→ZnCl2(aq)+H2O(l)Hydroxides:i)Pb(OH)2(s)+2HCl(aq)→PbCl2(aq)+2H2O(l)ii)Zn(OH)2(s)+2HCl(aq)→ZnCl2(aq)+2H2O(l)iii)Al(OH)3(s)+3HCl(aq)→AlCl3(aq)H2(l)Note: in these reactions the metal oxides are reacting as bases