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The inorganic cation in the question abo...

The inorganic cation in the question above could be

A

nickel

B

ferric

C

silver

D

aluminium

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The correct Answer is:
D
This precipitate reacts with acid or base and therefore , is amphoteric . It could be aluminium hydroxide.
`Al(OH)_3 + 3H^(+) to Al^( + + +) + 3H_2O`
`Al(OH)_3 + OH^(-) to Al(OH)_4`
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