Name the following compound:

CH2 = CH - CH3

propyl

Propane

1-propene

2-propyne

1-propene. In fact, the IUPAC name is prop-1-ene.

The given compound is 1-propene

Explanation:

The given compound is:

CH2=CH-CH3

1) There are a total of 3 carbon atoms: parent chain is propane

2) However, there is a double bond. Therefore it is an alkene i. e. propene

3) The carbon-carbon double bond gets the lowest number

i. e. CH2=CH-CH3

1 2 3

The name of the compound is 1-propene