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2-methyl-1-propene molecule

  1. Mar 17, 2013 #1
    I've attached the image. Is the naming of this molecule correct?


    If so, why is the methyl prefix necessary? The three carbon chain + the double bond makes it 1-propene....

    If not, would the correct name be methylethene?
     

    Attached Files:

  2. jcsd
  3. Mar 17, 2013 #2
    propene is the correct name the 1 is not necessary, more commonly it is known as propylene
     
  4. Mar 17, 2013 #3
    Thanks. So methylethene=propene?
     
  5. Mar 18, 2013 #4
    Not quite, it is just propene 3 carbons one double bond. I am not sure where the methyl propene came from. 2-Methyl propene would have four carbons it is also known as isobutylene, here is a link

    http://en.wikipedia.org/wiki/Isobutylene
     
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