Which one among the following statements regarding micelles is <strong>NOT</strong> correct?
- A. Soap molecules are sodium or potassium salts of long-chain carboxylic acids.
- B. Micelles precipitate out of solution because of ion-ion repulsion. ✓
- C. Grease gets collected in the centre of the micelle.
- D. Soap micelles scatter light.
Correct Answer: B. Micelles precipitate out of solution because of ion-ion repulsion.
Explanation
Micelles do not precipitate out of the solution; they remain suspended as a colloid precisely because the ion-ion repulsion between their similarly charged outer surfaces prevents them from coming together and settling.
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