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The ability of ion to bring about coagulation of a given colloidal solution depends upon

(a) the size of its ion

(b) the magnitude of charge

(c) the sign of charge

(d) both magnitude and sign of charge

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Answer: both magnitude and sign of charge

The ability of ion to bring about coagulation of a colloidal solution depends upon both magnitude and sign of the charge.

answered Dec 14, 2013