NEET Chemistry Surface Chemistry Questions Solved


The arsenious sulphide sol has negative charge. The maximum coagulationg power for precipitating it is of :

(a) 0.1 N Zn(NO3)2

(b) 0.1 N Na3PO4

(c) 0.1 N ZnSO2

(d) 0.1 N AlCl3

(d) More is the valence of effective ion, greater is its coagulating power. The Hardy-Schulze rule.

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