Cis-Trans lsomerism in Cycloalkanes cis-trans isomers Stereoisomers that differ in their stereochemistry about a double bond or ring -cis-(Latin,"on the same side") -trans-(Latin,"across") H3C CH3 Br 5 H CH2CH3 cis-1,3-Dimethylcyclobutane trans-1-Bromo-3-ethylcyclopentanecis-trans isomers ▪ Stereoisomers that differ in their stereochemistry about a double bond or ring ▪ cis- (Latin, “on the same side”) ▪ trans- (Latin, “across”) Cis-Trans Isomerism in Cycloalkanes