Out of MgCl2 and AlCl2 which one is more effective in causing coagul – InterviewSolution

InterviewSolution

1.	Out of MgCl2 and AlCl2 which one is more effective in causing coagulation of negatively charged sol and why ?
Answer» AlCl₃ is more effective in causing coagulation of negatively charged sol because according to Hardy and Schulze rule greater the valency of the tlocculating ion, greater is its ability io bring coagulation.

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