The nature of charge on resulting collodial particles when FeCl_3 is added to excess of hot water is:
Option: 1 neutral
Option: 2 positive
Option: 3 sometimes positive sometimes negative
Option: 4 negative

Answers (2)

If FeCl3 is added to hot water, a positively charged sol, the hydrated ferric oxide is formed due to the adsorption of Fe3+ ions.
Fe2O3. xH2O/Fe3+
Positively charged.

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