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JEE Main202225 Jun 2022Morning ShiftChemistryChemistry in Everyday LifeActual

Using very little soap while washing clothes, does not serve the purpose of cleaning of clothes, because

Options

  1. Asoap particles remain floating in water as ions.
  2. Bcolloidal structure of soap in water is completely disturbed.
  3. Cthe hydrophobic part of soap is not able to take away grease.
  4. Dthe micelles are not formed due to concentration of soap, below its CMC value.

Correct answer

D. the micelles are not formed due to concentration of soap, below its CMC value.

Step-by-step solution

Micelle or associate colloid formation occurs above a certain concentration known as CMC. So, if the concentration of soap is less that means it hasn't reached the CMC value. That is why it does not serve the purpose of cleaning of clothes.

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