Question

Meta aluminate symbol and valency both

Answer 1

Explanation:

Hence the formula can be written as . Here Al is bonded with two O atoms; one of the O is bonded with double bond and another is bonded with single bond hence the valency of Al in aluminate ion will be 3 here as it is bonded with three bonds.

Answer 2

Answer:

Because sometimes, it is found to exist in the hydrated form as NaAl(OH)4, in an excess water (H2O) containing environment. NaAlO2 + 2H2O = NaAlO4H4 or NaAl(OH)4, This one is known as tetrahydroxo aluminate. Generally, AlO2(-) is known as 'meta' and AlO3(3-) is known as 'orth... Na2O.

Explanation:

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