The following group is a substituent on a molecule. What is an accepted IUPAC name for this group?
$$\mathrm { CH } _ { 2 } = \mathrm { CH } - \mathrm { CH } _ { 2 } -$$

Question

Quizplus · Accepted Answer

The correct IUPAC name for the group $\mathrm { CH } _ { 2 } = \mathrm { CH } - \mathrm { CH } _ { 2 } -$ is allyl. However, "propenyl" is also used informally for similar structures, making both A and B acceptable in different contexts. Thus, E (either A or B) is correct.

The Following Group Is a Substituent on a Molecule CH2=CH−CH2−\mathrm { CH } _ { 2 } = \mathrm { CH } - \mathrm { CH } _ { 2 } -CH2​=CH−CH2​−

The Following Group Is a Substituent on a Molecule $\mathrm { CH } _ { 2 } = \mathrm { CH } - \mathrm { CH } _ { 2 } -$