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Why does micelle formation take place when soap is added to wa
Science
Science

Class 10

NCERT

Publisher:
NCERT
Subject:
Science
1

Chapter 1: Chemical Reactions and Equations

34 questions

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2

Chapter 2: Acid,Bases and Salts

39 questions

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3

Chapter 3: Metals and Non-metals

38 questions

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4

Chapter 4: Carbon and its Compound

24 questions

Q1
How can ethanol and ethanoic acid be differentiated on the basis of their physical and chemical properties?
Q2
Why does micelle formation take place when soap is added to water? Will a micelle be formed in other solvents such as ethanol also?
Q3
Why are carbon and its compounds used as fuels for most applications?
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5

Chapter 5: Periodic Classification of Elements

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6

Chapter 6: Life Processes

13 questions

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7

Chapter 7: Control and Coordination

12 questions

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8

Chapter 8: How do Organism Reproduce?

11 questions

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9

Chapter 9: Heredity and Evolution

12 questions

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10

Chapter 10: Light -Reflection and Refraction

34 questions

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11

Chapter 11: The Human Eye and Colourful World

18 questions

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12

Chapter 12: Electricity

49 questions

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13

Chapter 13: Magnetic Effects of Electric Current

39 questions

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14

Chapter 14: Sources of Energy

24 questions

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15

Chapter 15: Our Environment

9 questions

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16

Chapter 16: Sustainable Management of Natural Resources

7 questions

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Question
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Why does micelle formation take place when soap is added to water? Will a micelle be formed in other solvents such as ethanol also?

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Updated on: Mar 1, 2023

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Why does micelle formation take place when soap is added to water? Will a micelle be formed in other solvents such as ethanol also?
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A soap is a sodium or potassium salt of long chain fatty acids. It has one polar end and one non-polar end. The polar end is hydrophilic in nature (this end is attracted towards water). The non-polar end is hydrophobic (it is attracted towards hydrocarbons). When soap is added to water, soap molecules arrange themselves in a cluster to keep the non-polar portion out of water such that the non-polar ends are in the interior of the cluster and the polar ends are on the surface of the cluster. Since the dirt present on clothes is organic in nature and insoluble in water, the hydrophobic ends of the clusters attach themselves to the dirt. This cluster formation in which the dirt is entrapped is the micelle. 
Micelle formation does not occur in alcohol because the alkyl chain of soap becomes soluble in alcohol.

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How can ethanol and ethanoic acid be differentiated on the basis of their physical and chemical properties?
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Question Text
Why does micelle formation take place when soap is added to water? Will a micelle be formed in other solvents such as ethanol also?
Updated OnMar 1, 2023
TopicCarbon and its Compound
SubjectScience
ClassClass 10
Answer TypeText solution:1 Video solution: 6
Upvotes502
Avg. Video Duration7 min