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Surface Chemistry — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistrySurface Chemistry3 Marks
Question
What is meant by inversion of phase? Explain with example.
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Answer

  1. 1. The change of W/O emulsion into $O / W$ emulsion is called inversion of phase.
    2. Example: An oil in water emulsion containing potassium soap as emulsifying agent can be converted into water in oil emulsion by adding $CaCl _2$ (or) $AlCl _3$. This is called inversion of phase.

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