Which portion of the detergent will dissolve dirt, say grease (oil) for example? non-polar tail, A polar head, B cannot be determined

Chemistry for Today: General, Organic, and Biochemistry
9th Edition
ISBN:9781305960060
Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Chapter7: Sollutions And Colloids
Section: Chapter Questions
Problem 7.82E
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Which portion of the detergent will dissolve dirt, say grease (oil) for example?
non-polar tail, A
polar head, B
O cannot be determined
Transcribed Image Text:Which portion of the detergent will dissolve dirt, say grease (oil) for example? non-polar tail, A polar head, B O cannot be determined
The detergent forms a structure called a "micelle" to sequester
dirt/grease/oil and embed it to its non-polar tail leaving the polar
head outside which can be easily washed with water.
Soaps/detergents in the form of micelle cleans the (dirt) oil as the oil
will be collected at the centre of micelle. This property of soap
makes it an emulsifier. The dirt suspended in micelles is easily rinsed
away. This is known as cleaning action of soap.
Anionic Head
-hydrophobic
chain
Dirt
particle
Cloth
Transcribed Image Text:The detergent forms a structure called a "micelle" to sequester dirt/grease/oil and embed it to its non-polar tail leaving the polar head outside which can be easily washed with water. Soaps/detergents in the form of micelle cleans the (dirt) oil as the oil will be collected at the centre of micelle. This property of soap makes it an emulsifier. The dirt suspended in micelles is easily rinsed away. This is known as cleaning action of soap. Anionic Head -hydrophobic chain Dirt particle Cloth
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