Which of the following compounds have cis-trans isomers because they lack free rotation about their carbon-carbon bonds?

Question

Quizplus · Accepted Answer

Alkenes have a double bond between two carbon atoms, which restricts free rotation about the carbon-carbon bond, allowing for the possibility of cis-trans isomers. Alkanes, alkynes, and haloalkanes do not have this restriction on free rotation and therefore cannot exhibit cis-trans isomerism.

Which of the Following Compounds Have Cis-Trans Isomers Because They