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Question

Which of the following sulphate is insoluble in water?

A
CaSO4
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B
CdSO4
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C
PbSO4
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D
Bi2(SO4)3
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Solution

The correct option is A PbSO4

Theatrractive force between Pb+2 and SO24 very strong which can not be broken down so as to dissolve in water. It means that the dissolving ability of water do not break the Pb+2andSO24apart. So the PbSO4 do not dissolve in water.

Hence option D is correct.


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