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  • Most effective coagulant for a colloidal solution of arsenic sulphide in water is:Option: 1 <img alt="0.1 \mathrm{M}" src="https://entrancecorner.onc

Most effective coagulant for a colloidal solution of arsenic sulphide in water is:

Option: 1

0.1 \mathrm{M} sodium phosphate


Option: 2

0.1 \mathrm{M} zinc sulphate


Option: 3

0.1 \mathrm{M} zinc nitrate


Option: 4

0.1 \mathrm{M} aluminium chloride

 


Answers (1)

best_answer

\mathrm{As}_{2} \mathrm{S}_{3} is a negative colloid and to coagulate it, a positive cation which the highest charge is required.

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