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The soap molecule has a...

The soap molecule has a

A

hydrophilic head and a hydrophobic tail

B

hydrophobic head and a hydrogphobic tail

C

hydrophoice head and a hydrophilic tail

D

hydrophobic head and a hydrophobic tail

Text Solution

Verified by Experts

The correct Answer is:
A
A soap molecule contains a long hydrocarbon part and a small ionic part of -COONa a group .Hydrocarbon chain is hydrophobic or water repelling whereas ionic head is hydrophilic or water attracting group.
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OSWAL PUBLICATION-CARBON COMPOUNDS -NCERT EXEMPLAR (Multiple choice questions)
  1. Oils on treating with hydrogen in the presence of palladium or nickel ...

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  2. In which of the following compounds -OH is the functional group ?

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  3. The soap molecule has a

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  4. Which of the following is the correct representation of electon dot st...

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  5. Structural formula of ethyne is

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  6. Indentify the unsaturated compounds from the following. (i) Propane ...

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  7. Chlorine reacts with saturated hydrocarbons at room temperature in the

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  8. In the soap micelles

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  9. Pentane has the molecular formula C(5)H(12). It has

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  10. Structural formula of benzene is

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  11. Ethanol reacts with sodium and forms two products. These are

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  12. The correct structural formula of butanoic acid is

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  13. Vinegar is a solution of

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  14. Mineral acids are stronger acids than carboxylic acids because (i) m...

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  15. Carbon forms four covalent bonds by sharing its four valence electrons...

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  16. The correct electron dot structure of a water molecule is

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  17. Which of the following is not a straight chain hydrocarbon ?

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  18. Which amond the following are unsaturated hydrocarbons ? (i) H(3)C-C...

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  19. Which of the following does not belong to the same homologous series ?

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  20. The name of the compound CH(3)-CH(2)-CHO is

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