10 Questions
What are the two differing properties of micelle soap molecules?
Hydrophilic and hydrophobic
How does soap align at the surface of water?
With the hydrophobic tail protruding out of water and the ionic end in water
What is the formation called when soap molecules form clusters with hydrophobic tails in the interior and ionic ends on the surface?
Micelle
What is the unique orientation of soap molecules inside water?
Hydrocarbon portion out of the water
Why do soap micelles stay in solution as a colloid?
Due to ion-ion repulsion
How does soap in the form of micelle help in cleaning?
By collecting oily dirt in the center of the micelle
Why does a soap solution appear cloudy?
Because soap micelles are large enough to scatter light
Why won't soap micelles come together to precipitate?
Due to ion-ion repulsion
What is the purpose of adding soap solution to water in the given activity?
To observe the effect of soap in both distilled water and hard water
What property of soap makes it effective in rinsing away suspended dirt in micelles?
Formation of micelles
Test your knowledge on carbon compounds like ethanol and ethanoic acid, as well as understand the action of soaps and detergents in emulsifying oily dirt. Questions range from identifying covalent bonds in ethane to recognizing functional groups in compounds like butanone.
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