Question

The ability of anion, to bring about coagulation of a given colloid, depends upon

(a) magnitude of the charge

(b) both magnitude and charge

(c) its charge only

(d) sign of the charge alone.

Answer 1

Correct option (b) both magnitude and charge

Explanation :

Both magnitude of charge and nature of charge effect coagulation of a given colloid. Greater the magnitude of the charge, quicker will be the coagulation.