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Question

Write the order of effectiveness of the equimolar solutions of following electrolytes for coagulating a negatively charged sol.FeCl3, NaCl, BaCI2, Th(NO3)4.

Prabhat Rajore · Accepted Answer

Answer:Acoording to the Hardy- Schulz rule the coagulation capacity depends on the valence of the active ion.thus  order is:Th(NO3)4 > FeCl3 > BaCl2 > NaCl.  - Wired Faculty

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Surface Chemistry

Write the order of effectiveness of the equimolar solutions of following electrolytes for coagulating a negatively charged sol.
FeCl₃, NaCl, BaCI₂, Th(NO₃)₄.

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