what happens when an electrolyte NaCl is added to hydrated ferric oxide sol.?

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Solution

Dear student,

When an electrolyte NaCl is added to the ferric oxide sol, NaCl get dissociate to produce Na⁺ and Cl^- .Particle of ferric oxide Sol are positively charged so they will get coagulated with the negatively charged chloride ion and precipitate will formed.

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