Fe(OH)3 must adsorb the ion common to Fe(OH)3 and dispersion medium (water) which is OH-.So, Fe(OH)3 must adsorb OH- but why it is adsorbing Fe3+?
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21st May, 2020
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Fe(OH)3 must adsorb the ion common to Fe(OH)3 and dispersion medium (water) which is OH-.So, Fe(OH)3 must adsorb OH- but it is adsorbing Fe3+ ,because the mixture of fe(OH)3 forms a hydrated ferric oxide which is positively charged sol so it adsorbs fe3+ ions rather than OH- ions
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