11.8. Write reactions to justify amphoteric nature of aluminium.
11.8. Write reactions to justify amphoteric nature of aluminium.
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Aluminium reacts with acid as well as base. This shows amphoteric nature of aluminium.
2Al (s) + 6HCl (dil.) →2AlCl3 (aq) + 3H2 (g)
2Al (s) + 2NaOH (aq) + 6H2O (l) →2Na+ [Al (OH)4]– (aq) + 3H2 (g)
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