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Write reactions to justify amphoteric nature of aluminium. |
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Answer» SOLUTION :A substance is called amphoteric if it DISPLAYS CHARACTERISTICS of both acids and BASES. Aluminium dissolves in both acids and bases, showing amphoteric behaviour. `2Al+6HCl to 2Al^(+3) + 6Cl^(-) + 3H_2` `2Al + 2NAOH + 6H_2O to 2Na^(+) [Al(OH)_4]^(-) + 3H_2` |
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