In the name 2-methyl-2-propenal the numbers represent which of the following?
A) the position of the methyl substituent and the position of the carbonyl group
B) the position of the methyl substituent and the position of the alkene double bond
C) the position of the carbonyl group and the position of the alkene double bond
D) None of the above, since the name does not correspond to a real compound.

Question

Quizplus · Accepted Answer

The name 2-methyl-2-propenal indicates that there is a methyl group (CH3) attached to the second carbon of the parent chain, which is a propene (3 carbons with a double bond between the second and third carbon). The second "2" indicates that the double bond is also between the second and third carbon.

In the Name 2-Methyl-2-Propenal the Numbers Represent Which of the Following