In the IUPAC name 2-methyl-2-propenal, what do the numbers represent?
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 double bond
C) the position of the carbonyl group and the position of the double bond
D) the position of the carbonyl group and the position of the triple bond

Question

Quizplus · Accepted Answer

The numbers 2-methyl-2-propenal indicate the position of the methyl group (on the second carbon) and the position of the double bond (also on the second carbon). Therefore, choice B is the correct answer.

In the IUPAC Name 2-Methyl-2-Propenal, What Do the Numbers Represent