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Question

The chemical formula of aluminium sulphate is


A

AlSO4

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B

Al(SO4)2

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C

Al2(SO4)3

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D

Al3(SO4)2

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Solution

The correct option is C

Al2(SO4)3


To find out the formula of a chemical compound, the valencies of various species present in the compound are written. Then, crossover of the valencies (or charge) is done to obtain the formula.

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

The correct answer is C.


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