Question

Chemical formula of Aluminium sulphate is Al2(SO4)3.The valency of Aluminium is-

1

2

3

4

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Answer 1

Answer:

Al2(SO4)3 is commonly known as aluminium sulphate. There is two aluminium atom in aluminium sulphate, and because of this, the total valency of the formula is 6+. Aluminium make positively charged ions, which makes the sulphate to have negatively charged ions.

Answer 2

Answer:

Answer is 3

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