MCQ
Soap action is due to:
- AMicelle formation.
- BColloidal dispersion of micelles in water.
- COil drop dispersal.
- ✓All of these.
✓
Answer
Correct option: D.
All of these.
When soap is dissolved in water, its hydrophobic ends attach themselves to dirt and remove it from the cloth.
First, the molecules of soap arrange themselves in micelle formation and trap the dirt at the center of the cluster.
These micelles remain suspended in water like particles in colloidal solution.
The various micelle present in water does not come together to form a precipitate as each micelle repels the other because of the ion$-$ion repulsion.
Thus, the dust particle remains trapped in micelles$($which remains suspended$)$ and are easily rinsed away with water.
First, the molecules of soap arrange themselves in micelle formation and trap the dirt at the center of the cluster.
These micelles remain suspended in water like particles in colloidal solution.
The various micelle present in water does not come together to form a precipitate as each micelle repels the other because of the ion$-$ion repulsion.
Thus, the dust particle remains trapped in micelles$($which remains suspended$)$ and are easily rinsed away with water.
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