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Unformatted text preview: b is correct . Below is an example of a long alkyl chain with a kink caused by a double bond. Lets look at the other answers and see why they are incorrect. Answer a describes a hydrocarbon that has only single bonds, this would not have a permanent kink. Answer c is wrong because in order to have a permanent kink in the carbon chain, it is not necessary to be a surfactant. While it is true that some surfactants may contain permanent kinks, not all do. A surfactant is a molecule that is hydrophobic (nonpolar) on one end and hydrophilic (polar) on the other. Answer d is wrong because an amine is simply a functional group that could replace one of the hydrogens on the hydrocarbon chain. This would not cause a kink in the chain....
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- Fall '08