4&5

Multiple Choice Identify the choice that best completes the statement or answers the question. 1. The formula CnH2m2 belongs to which group of compounds listed below? a. alkynes b. alkanes c. cyclic alkanes d. alkenes 2. Which of the following account for the non-polar nature of alkanes? a. similar electronegativity of the carbon and hydrogen atoms b. saturated carbon bonds c. weak Van der Waals forces d. all of the above 3. The functional groups within a molecule determine which properties of the molecule? a. the melting point b. the boiling point c. solubility d. all of the above 4. What are the properties of an aromatic hydrocarbon? a. non-polar unless they contain an electronegative substituent b. usually liquid at room temperatures c. insoluble in water d. all of the above 5. Many alcohols are made by the addition reaction of what two types of compounds? a. alkanes and alkenes b. water and alkenes c. esters and ethers d. water and alkanes