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Electrical Properties of Colloids

The charge of...

Question

The charge of ${A s}_{2} S_{3}$ sol is due to the absorbed:

H^{+}

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{O H}^{-}

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O^{2 -}

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S^{2 -}

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Solution

The correct option is D $S^{2 -}$
The charge on arsenious sulphide is due to adsorbed $S^{2 -}$ ions on colloidal particles.

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