Chemistry
Grade-7
Easy
Question
Detergents are amphipathic compounds with charged hydrophilic or polar groups at the end of lengthy lipophilic hydrocarbon groups.
- True
- False
Hint:
The molecules have compound containing two different covalent moieties with different affinities for the solvent in the same molecule.
The correct answer is 'True'.
- The statement "Detergents are amphipathic compounds with charged hydrophilic or polar groups at the end of lengthy lipophilic hydrocarbon groups" is true.
- Surfactants are amphiphilic molecules containing a polar or charged hydrophilic group (head) at the end of a long lipophilic hydrocarbon group (tail).
- They are also called surfactants because they reduce the surface tension of water. These structural properties allow surfactants to aggregate in aqueous media.
- At sufficiently high concentrations, the polar hydrophilic regions of each molecule are directed toward the polar solute (water), while the hydrophobic region's group together to form thermodynamically stable micelles with a hydrophobic core.
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