NEETChemistrySurface Chemistry
At what point does soap aid in the removal of oil droplets from a surface?
Options
- AWhen the hydrophobic part projects out
- BWhen the hydrophilic part is submerged
- CWhen the negatively charged sheath forms
- DWhen the stearate ions aggregate
Correct answer
A. When the hydrophobic part projects out
Step-by-step solution
Soap aids in the removal of oil droplets when the hydrophobic part of soap molecules projects out of the oil droplet.