The nature of charge on resulting colloidal p | vedclass

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(A) When $FeCl_3$ is added to excess of hot water,it undergoes hydrolysis to form hydrated ferric oxide,$Fe_2O_3 \cdot xH_2O$. During this process,the

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Positive

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(A) When $FeCl_3$ is added to excess of hot water,it undergoes hydrolysis to form hydrated ferric oxide,$Fe_2O_3 \cdot xH_2O$. During this process,the colloidal particles preferentially adsorb $Fe^{3+}$ ions from the solution,resulting in the formation of a positively charged sol. The representation is $Fe_2O_3 \cdot xH_2O / Fe^{3+}$. Therefore,the nature of the charge is positive.

The nature of charge on resulting colloidal particles when $FeCl_3$ is added to excess of hot water is:

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