Surface ChemistryHard

Question

According to Hardy - Schulz rule, the coagulating power of cation follows the order :

Options

A.Na+ > Ba2+ > Al3+
B.Al3+ > Ba2+ > Na+
C.Ba2+ > Al3+ > Na+
D.Al3+ > Na+ > Ba2+

Solution

More the charge on cation, higher  the coagulating power.

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