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Consider the colloidal system represented as \mathrm{AgI/I^- \ K^+}.

The correct statement regarding the above sol is 

Option: 1

The fixed layer is negatively charged while the diffused layer is positively charged


Option: 2

The fixed layer is positively charged while the diffused layer is negatively charged


Option: 3

Both the fixed layer and the diffused layer is positively charged


Option: 4

Both the fixed layer and the diffused layer is negatively charged


Answers (1)

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In the sol \mathrm{AgI/I^- \ K^+}

Iodide ions get adsorbed on the AgI particles and form the fixed layer which is negatively charged while potassium ions form the positively charged diffused layer.

Hence, the correct answer is Option (1)

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rishi.raj

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