Chemistry Isomerism which is present only in alkene is__________________? Options:A. structural isomerismB. metamerismC. cis-trans isomerismD. both b and cView AnswerC. cis-trans isomerism Continue Reading Previous: Equal masses of methane and oxygen are mixed in empty container at 250?(C) The fraction of total pressure exerted by oxygen is___________________?Next: Estimation of amounts of different components in a sample is________________?