Question

What is the valency of aluminate​

Answer 1

Here Al is bonded with two O atoms with -1 charge on overall ion. 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:

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