Monday, May 24, 2010

Butene, C4H8, is a hydrocarbon with one double bond. How many noncyclic isomers can be drawn?

Butene, C4H8, is a hydrocarbon with one double bond. How many noncyclic isomers can be drawn?





A) 1 B) 2 C) 3 D) 4

Butene, C4H8, is a hydrocarbon with one double bond. How many noncyclic isomers can be drawn?
Four:





but-1-ene


cis-but-2-ene


trans-but-2-ene


2-methylpropene
Reply:B) 2


1) CH2=CH-CH2-CH3


2) CH3-CH=CH-CH3
Reply:2


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