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Quiz 4 - Key

Quiz 4 - Key - Chemistry 124 Winter 09 Quiz 4 Meadows 20...

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Chemistry 124 Name___________________ Winter 09 Quiz 4 Section/Computer_____________ Meadows 20 points 1. (2 points) A sample of hexane, pentane, 2-methylhexane, and octane were injected into a gas chromatograph. Which compound would be expected to elute (exit the instrument) last? octane 2. (2 points) Of the molecules given below, three of the four are the same compound, circle the different molecule. 3. (2 points) The molecule shown below is an example of what? a. carboxylic acid b. ketone c. alcohol d. aldehyde e. alkene 4. (2 points) Which of the following molecules could be an alkyne? a. C 4 H 10 b. C 3 H 6 c. CH 3 OH d. C 4 H 8 e . C 4 H 6 5a. (2 points) Draw the structure for 3-methyl-1-butene. H 2 C H C CH CH 3 H 3 C C C H Br H Br H H C C Br Br H H H H C C H H Br Br H H C C H H H Br Br H H 3 C CH F CH F C O H
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(2 points) Draw a skeletal isomer of this compound. H 2 C H C C H 2 H 2 C CH 3 5. (6 points) Name the following two compounds according to IUPAC rules. a.
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Quiz 4 - Key - Chemistry 124 Winter 09 Quiz 4 Meadows 20...

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