Answer:
Hardy-SchuIze
law states that the greater the valence of the flocculating ion added, the greater
is its power to cause precipitation.
This law takes into consideration only the charge carried
by an ion, not its size. The smaller the size of an ion, the more will be its
polarising power. Thus, Hardy-SchuIze law can be modified in terms of the
polarising power of the flocculating ion. Thus, the modified Hardy- SchuIze law
can be stated as 'the greater the polarising power of the flocculating ion
added, the greater is its power to cause
precipitation. 3
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