Question

Reddish brown sol containing fe+3 is obtained by

Answer 1

Answer:

Rusting

Fe2O3. xH2O

Explanation:

Rusting is reddish brown sol which is made by hydrated ferric oxide..It is slow oxidation process. It takes place in presence of oxygen or air and water or moisture.Its chemical reaction is

Fe2O3. xH2O

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Answer 2

Answer:

happens when freshly prepared F ... Peptization is a process of passing of a precipitate into colloidal particles on adding suitable electrolyte. ... A reddish brown colored colloidal solution is obtained by adding small quantity of ferric chloride solution to the freshly precipitated ferric hydroxide.