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Arsenous sulphide sol is prepared by passing H2S through arsenous oxide solution. The charge developed on the particles is due to adsorption of:

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By Expert Faculty of Sri Chaitanya
a
H+
b
S2-
c
OH-
d
O2-
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detailed solution

Correct option is B

Preferential adsorption of S2- takes place. So negative charge developed.


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