question_answer 111)

    Assertion (A) Coagulation power of  is more than. Reason (R) Greater the valency of the flocculating ion added, greater is its power to cause precipitation (Hardy-SchuIze rule) .

Answer:

                    (a) Assertion and reason both are correct and reason is correct explanation of assertion. According to Hardy-SchuIze law greater the charge/valency on flocculating ion added greater will be its power to cause precipitation. Coagulating power  Valency of flocculating ion