NEET UG CHEMISTRY MCQ: SURFACE CHEMISTRY

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Which of the following reactions lead to the formation of colloidal solution?

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Correct option: B

2\mathrm{HN}{\mathrm{O}_3} + 3{\mathrm{H}_2}\mathrm{S} \to 3\mathrm{S} + {\mathrm{H}_2}\mathrm{O} + 2\mathrm{NO}

The correct answer is B (

2\mathrm{HN}{\mathrm{O}_3} + 3{\mathrm{H}_2}\mathrm{S} \to 3\mathrm{S} + {\mathrm{H}_2}\mathrm{O} + 2\mathrm{NO}

) because it involves the formation of sulfur (S) as a precipitate in the colloidal range.

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