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20 October, 01:04

What does the name 2-butene tell you about this hydrocarbon's molecular structure?

A. There are two carbon atoms and all single carbon bonds.

B. There are two carbon atoms and a double carbon bond.

C. There are three carbon atoms and a double carbon bond that starts on the second carbon atom.

D. There are four carbon atoms and a double carbon bond that starts on the second carbon atom.

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  1. 20 October, 01:18
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    Option D. There are four carbon atoms and a double bond that starts on the second carbon atom.

    Methane: one carbon

    Ethene: two carbons

    Propene: three carbons

    Butene: four carbons.

    Pentene: five carbons

    The suffix - ene is used for double bonds.

    The number 2 - indicates the place of the carbon on which the double bond is located.
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