p-Block elementsHard

Question

The dissolution of Al(OH)3 by a solution of NaOH results in the formation of :

Options

A.[Al(H2O)4(OH)]2+
B.[Al(H2O)2(OH)4]-
C.[Al(H2O)3(OH)3]
D.[Al(H2O)6(OH)3]

Solution

As Al(OH)3 is amphoteric in nature and thus form [Al(H2O)2(OH)4]-.

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