SCH4C - CAT Part A: Multiple Choice Questions 37. Which of the following is not considered a pollutant? a. sulphur dioxide c. nitrogen dioxide b. nitrogen d. VOCs 38. Which dass of organic compounds does not contain a carbon-oxygen double bond? a. esters calcohols b. ketones d. carboxylic acids 39. Which molecule is polar? a. carbon dioxide d. carbon tetrachloride b. ethanol e. butane C propane 40. Which organic compound is unsaturated? a. methylcyclopentane 1,1-dimethylhexane b. 2-methyl-3-ethylpentyne d. cydohexane 41. What does the boiling point of a hydrocarbon family do with increasing carbon length? a. The boiling point increases. b. The boiling point remains relatively the same C. The number of intermolecular attractions increases. d. The boiling point decreases. 42. Which of the following molecules would you expect to be a liquid at room temperature? a. Cx9Hse C CH OH b. CzHs d. Cz Part B: Matching - you may not use all options! Complete the sets of matching questions. i. Match each term with its correct definition shown below. 1. cannot be broken down further 2. can be separated by physical properties 3. the number of electrons in the outer shell 4. does not dissolve in water 5. the ability to attract electrons 6. the equal sharing of electrons 7. conducts electricity 8. the temperature where a liquid turns to a gas a. electronegativity b. insoluble c. soluble d. electrolyte e. boiling point f. element 9. Valence electrons h. covalent bonding i.ionic bonding 3. mechanical mixture