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In the preparation of potash alum, from saturated solutions of K2SO4 and Al2(SO4)3,dilute sulphuric acid is added to Al2(SO4)3 crystals while preparing its saturated solution. This is due to

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By Expert Faculty of Sri Chaitanya
a
prevent hydrolysis of Al2(SO4)3
b
make the solution more saturated
c
speed up crystallization
d
increase the solubility of Al2(SO4)3
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detailed solution

Correct option is A

To prevent the hydrolysis acidic condition required


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