Chem 237 Exam 1 Key October 27, 2006 Instructions: You will have 50 minutes to complete as many problems as possible. Where provided, write your answers in the boxes. Your answers will not be graded unless they are in the proper box. ProblemPoints1 ____/24 2 ____/10 3 ____/10 4 ____/20 5 ____/12 6 ____/12 7 ____/10 Total ____/100
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1. For this problem, circle the correct answer. (24 pts) a) Which is more polar? CH3CF3CF3CF3b) Which has a higher pKa? NH2ONH2c) Which is more soluble in water? H3COHOHd) Which has the lower boiling point? e) Which has the greater heat of combustion? f) Which is more acidic? OHNOHg) Which is more basic? H3CNH2NHNH2h) Which has the higher boiling point? CH3OCH3CH3SCH3i) Which is less soluble in water? O