Chemistry of HydrocarbonsPhysical Properties of Hydrocarbons1Choose the best answerWhy does the boiling point generally increase as –CH₂– units are added to a homologous series of hydrocarbons?AHydrogen bonding increases.BMolecular size, surface area and dispersion forces increase.CIonic bonds begin to form.DThe molecules acquire permanent ionic charges. Like 0 Discuss 0Share