For coagulation of arscnious sulphide sol, which one of the following salt solution will be most effective ?
Question:
For coagulation of arscnious sulphide sol, which one of the following salt solution will be most effective ?
Correct Option: 1
Solution:
Sulphide is -ve charged colloid so cation with maximum charge will be most effective for coagulation.
$\mathrm{Al}^{3+}>\mathrm{Ba}^{2+}>\mathrm{Na}^{+}$coagulating power.
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