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JEE CHEMISTRY MCQ: SURFACE CHEMISTRY
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Which mixture of the solutions will lead to the formation of negatively charged colloidal sol?
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Correct option: B
The correct answer is B (50 mL of 1 M AgNO_3 + 50 mL of 2 M KI) because an excess of I- ions will be adsorbed onto the AgI precipitate, forming a negatively charged colloid.
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