Homologues are: 1) ethene and propane 2) propene and butane 3) cyclobutane and butane 4) benzene and methylbenzene

1) Ethene and propane – no, they belong to different classes of compounds: alkene and alkane,

2) propene and butane – no, they belong to different classes of compounds: alkene and alkane,

3) cyclobutane and butane – no, they belong to different classes of compounds: cycloalkane and alkane,

4) benzene and methylbenzene, belong to the class of aromatic hydrocarbons, differ from each other by the CH2 group.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.