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Final - Fall 07 - CHE 131 Final Exam Fall 2007 Multiple...

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CHE 131 Final Exam, Fall 2007 Multiple Choice On the Scantron form, bubble in the letter of the one choice that best completes the statement or answers the question. No credit will be given for multiple answers. ____ 1. Which of the following statements is incorrect ? A. The benzene molecule has six pi electrons. B. All six C-C bonds in benzene are equivalent. C. Aromaticity refers to the special electronic stability of the benzene ring and related unsaturated ring systems. D. Benzene readily undergoes addition reactions. E. Molecules with benzene rings occur in many aromatic oils. ____ 2. Gaseous carbon monoxide is very dangerous if breathed. A sample of CO exerts a pressure of 120 mm Hg in a 56.0 L tank at 22°C. If all of the CO leaks into a room with a volume of 2.70 × 10 4 L at 22 °C, what is the partial pressure of CO in the room?
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