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posted by  Googley45 on 9/15/2008 6:55:29 PM  |  status: Closed  

Chemistry Solubility

Course Textbook Chapter Problem
General Chemistry N/A N/A N/A
Question Details:
Which of the following is the best explanation of why sugar is not very soluble in gasoline?
(Pick the best)

1) The attractive forces between gasoline molecules are weaker than the forces between gasoline and sugar molecules.
2) There is hydrogen bonding in the sugar crystal, but not between sugar and gasoline.
3) Sugar does not ionize in gasoline
4) There are dipole-dipole interactions between sugar molecules but not between gasoline molecules
5) The disorder of the system would increase if the sugar dissolved in gasoline.
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posted by Jack Alope on 9/15/2008 7:30:12 PM  |  status: Live
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Googley45's comment:
"Correct answer was #2"
Response Details:
4-
sugar is much more polar than gasoline and thus will not dissolve. the the general rule for dissolution of of compounds is "like dissolves like."
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