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NEET levelSingle correct optionDifficulty 1 of 3sb086

Which of the following sulphates has the lowest solubility in water?

A $CaSO X_{4}$
B $BeSO X_{4}$
C $MgSO X_{4}$
D $BaSO X_{4}$

Answer: D

Solubility of group 2 sulphates falls steadily down the group.

BeSO X_{4}

and

MgSO X_{4}

are freely soluble,

CaSO X_{4}

is sparingly soluble and

BaSO X_{4}

is practically insoluble.

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