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The negative charge on ` As_2S_3` sol is due to adsorption of :
A. `H^-`
B. `OH^-`
C. `O^(2-)`
D. `S^(2-)`

1 Answer

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Best answer
Correct Answer - D
` As_2 S_3` sol particles adsorb common ion ` (s^(2-))` on them to acqure negative charge .

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