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Topic: hydrocarbon nomenclature  (Read 2426 times)

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Offline skyblazer

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hydrocarbon nomenclature
« on: July 27, 2015, 04:39:26 PM »
What is incorrect in the following hydrocarbon name:

3-propyl-2-butene

                 CH2CH2CH3
                  l
CH3 - CH = C - CH3


Can someone figure out why this nomenclature /compound is incorrect ?


Thanks  :)
« Last Edit: July 27, 2015, 05:00:08 PM by skyblazer »
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Offline sjb

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Re: hydrocarbon nomenclature
« Reply #1 on: July 27, 2015, 04:57:13 PM »
Quote from: skyblazer on July 27, 2015, 04:39:26 PM
What is incorrect in the following hydrocarbon name:

3-propyl-2-butene


Thanks  :)

Draw it out. How do you name alkenes?
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Offline Shipwreck

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Re: hydrocarbon nomenclature
« Reply #2 on: July 27, 2015, 07:40:09 PM »
How many carbons does the longest carbon chain have?
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Offline Furanone

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Re: hydrocarbon nomenclature
« Reply #3 on: July 27, 2015, 08:22:36 PM »
Quote from: Shipwreck on July 27, 2015, 07:40:09 PM
How many carbons does the longest carbon chain have?

great hint!
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"The true worth of an experimenter consists in pursuing not only what he seeks in his experiment, but also what he did not seek."

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Offline skyblazer

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Re: hydrocarbon nomenclature
« Reply #4 on: July 27, 2015, 09:17:25 PM »
Quote from: Shipwreck on July 27, 2015, 07:40:09 PM
How many carbons does the longest carbon chain have?

Oh I get it now thanks... it would be a hexene , so  3-methyl -2- hexene   
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