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Which of the following electrolyte will have maximum flocculation value for Fe(OH)3 sol?
(1) Na2S
(ii) (NH4)3PO4
(iii) K2SO4
(iv) NaCl
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Answer:
Fe(OH)3 is positively charged. Hence Cl- ions with minimum opposite charge will have maximum flocculation value (minimum cagulating power).
Explanation:
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