Including cis-trans isomers, how many different alkenes have the molecular formula C₅H₁₀?

Question

Quizplus · Accepted Answer

The molecular formula indicates that there are 15 carbon atoms and 2 double bonds. The number of possible alkenes can be determined through the formula (2^n)/2, where n is the number of double bonds. In this case, n = 2, so (2^2)/2 = 2. Therefore, there are only 2 possible alkenes without considering cis-trans isomers. However, each of these alkenes can have cis-trans isomers, resulting in a total of 6 different alkenes: 2 with no cis-trans isomers and 4 with cis-trans isomers. Thus, the answer is C, 6.

Including Cis-Trans Isomers, How Many Different Alkenes Have the Molecular