Formula for aluminium sulphate is _________________.

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A l {(S O_{4})}_{2}

A l S O_{4}

A l_{2} {(S O_{4})}_{3}

A l_{2} S O_{4}

answer is C.

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Detailed Solution

To find out the formula of a chemical compound, the valency of various species present in the compound are written. Then, crossover of the valency is done to obtain the formula.

Thus, the chemical formula of aluminium sulphate is Al₂(SO₄)₃.

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