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Which organic compound is unsaturated?

(1) 2-methylbutane (3) 2-hexanol
(2) 2-chloropropane (4) 2-pentene

User Darlena
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1 Answer

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The answer is (4) 2-pentene. The pentene belongs to olefin and has double bonds between the carbon atoms. And the other three belongs to alkane which don't have double bonds. So the pentene is unsaturated.
User Frankclaassens
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