Chemistry · Carbon and its Compounds
When soap is added to water during cleaning, its molecules interact with both water and oily dirt. Which process best explains the actual cleansing action of soap in water?
- 1Formation of insoluble precipitates with all salts present in water
- 2Reduction of surface tension of water only, without interaction with dirt
- 3Formation of micelles that trap oily dirt in their hydrophobic hydrocarbon tails✓
- 4Complete conversion of hard water into soft water prior to cleaning
Correct answer
Formation of micelles that trap oily dirt in their hydrophobic hydrocarbon tails
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