1.

In an electrical field, the particles of a colloidal system move towards cathode. The coagulation of the same sol is studied using K_2SO_4 (i), Na_3 PO_4 (ii), K_4[Fe(CN)_6] (iii) and NaCl (iv) Their coagulating power should be

Answer»

II GT I gt IV gt III
III gt II gt I gt IV
I gt II gt III gt IV
none of these

Answer :B


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