Questions
Which statement is not true about potash alum ?
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By Expert Faculty of Sri Chaitanya
a
Its empirical formula is KAlSO42. 12H2O
b
It is used in dyeing industries
c
Its aqueous solution is basic in nature
d
On heating it melts and loses its water of crystallization
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Correct option is C
Alum forms acidic solution on dissolution in water due to hydrolysis of Al3+ ions.Similar Questions
Regarding the structure of Al2Cl6 (g) , false statement is
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