Question
Which of the following will have the highest coagulating power for $\mathrm{Fe}(\mathrm{OH})_{3}$ conon(a) $\mathrm{PO}_{4}^{3-}$(b) $\mathrm{SO}_{4}^{2-}$(c) $\mathrm{Ca}^{2+}$(d) $\mathrm{Al}^{3+}$
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Step 1: The given colloid is $\mathrm{Fe}(\mathrm{OH})_{3}$ which is positively charged. Show more…
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