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
Chemistry of HydrocarbonsPhysical Properties of Hydrocarbons2Choose the best answerWhich statement best describes the physical state of higher members of a hydrocarbon homologous series?AThey remain gases regardless of chain length.BIncreasing molecular size can eventually change members from gases to liquids and then solids.CAll C₁₆ hydrocarbons must be solids.DMolecular structure has no effect on physical state. Like 0 Discuss 0Share