Class 12 Chemistry Surface Chemistry Adsorption and Adsorption isotherm

Medium

Why does the white precipitate of silver halide become coloured in the presence of dye eosin?

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Solution

(N/A) Eosin is an adsorption indicator. When eosin is added to the silver halide precipitate,it gets adsorbed on the surface of the silver halide particles. This adsorption causes a change in the color of the precipitate,which is why it appears coloured.

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Class 12

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Chapter

Surface Chemistry

Subtopic

Adsorption and Adsorption isotherm

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