(A) Soap molecules are surfactants,which contain both a hydrophilic head and a hydrophobic tail. $ \newline $ When soap is added to water,these molecu

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(A) Soap molecules are surfactants,which contain both a hydrophilic head and a hydrophobic tail. $ \newline $ When soap is added to water,these molecules accumulate at the surface,disrupting the cohesive forces between water molecules. $ \newline $ This disruption significantly reduces the surface tension of water,which is why soap is effective for cleaning.

Class 12 Chemistry Surface Chemistry Mix Examples-Surface Chemistry

Easy

Adding soap to water ................

A
decreases surface tension
B
increases surface tension
C
increases surface tension at low concentration and decreases at high concentration
D
decreases surface tension at low concentration and increases at high concentration