Question

Name the following compound:

CH2 = CH – CH3
propyl
Propane
1-propene
2-propyne

Answer 1

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

Answer 2

The given compound is 1-propene

Step-by-step 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