Difficult
Oils and fats are obtained by saponification of potassium stearate. Its formula is $CH_3(CH_2)_{16}COO^-K^+$. The hydrophobic end of the molecule is $CH_3(CH_2)_{16}$ and the hydrophilic end is $COO^-K^+$. Potassium stearate is an example of:
- ALyophobic colloids
- BLyophilic colloids
- CPolymolecular colloids
- DAssociated colloids or Micelles
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