exam 1 key

exam 1 key - Chern 2110 Organic I Exam 1- 02/01/08 -...

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Chern 2110 Organic I Exam 1- 02/01/08 - 9:05-9:55 3.ID. This Exam Has 9 Pages Total \
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1. Name two differences between ionic and covalent bonds. (2 pts) 2. What geometry does a carbon with 4 bonds have? (2 pts) 3. Provide carbon's electron configuration, making sure to identify its principle quantum number and number of electrons. (6 pts) 4. Why does carbon form four bonds? What is the octet rule? Which elements adhere to this rule? (2 pts) 2
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5. Draw the following using Lewis line structures: hexane, formaldehyde, acetic acid, and N- methylacetamide, polystyrene. (2 pts) 6. Draw the following using Lewis line structures: 2,2-dimethyl-4-propyloctane, 3-methylcyclohexane. (4 pts) 7. Provide names for the following: (4 pts) Br H 3 C
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8. What equation is used to calculate formal charge? (2 pts) 9. Label the formal charges on the following compounds. (6 pts) CH 3 •• I /o~ H 3 C CH 3 10. The following compound, methyl vinyl ketone (MVK), reacts with nucleophiles such as acetylide anion (shown below) at two positions. Draw the resonance structures for MVK and use
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exam 1 key - Chern 2110 Organic I Exam 1- 02/01/08 -...

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