Question

IUPAC NAME OF CH2=CH-(CH3)2

Answer 1

  1      2      3      4
CH2=CH-CH3-CH3
IUPAC name is  1-butene

Answer 2

IUPAC name of $CH_2=CH-(CH_3)_2$ is 2-Methyl-1-propene.

Explanation:

• The given compound contains 3 carbon atoms. Thus the root word is 'Prop'.
• The first carbon has a double bond, thus the nature of bonding is denoted by '1-ene'.
• The structure doesn't have any functional group, but at the second carbon, the substituent group $CH_3$ is attached. Thus the prefix should be 2-Methyl.
• Accordingly the IUPAC name of $CH_2=CH-(CH_3)_2$ is 2-Methyl-1-propene.

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