The arsenius sulphide sol has negative charge the maximum coagulating power for precipitating it is of:
Correct answer: D. 0.1(N) AlCl3
- A. 0.1(N) Zn(NO3)2
- B. 0.1(N) Na3PO4
- C. 0.1(N) ZnSO4
- D. 0.1(N) AlCl3
Explanation
More the valency of cation greater will be its coagulating power as per hardy schulze rule.
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