CHE201B - Exam 1 2006

CHE201B - Exam 1 2006 - CHE 201B/203B Fall 2006 Midterm...

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Exam-1-Fall06.doc 1 CHE 201B/203B Fall 2006 Midterm Exam-1 September 28, 2006 Name: (please print) Person #: Signature: Problem Maximum points Actual points 1. 30 2. 20 3. 12 4. 10 5. 15 6. 12 7. 12 8. 15 9. 24 10. (extra credit) 10 Total maximum 150 + 10 Your total
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Exam-1-Fall06.doc 2 1. True or False. (max 30 pts) a) Organic chemistry is the chemistry of carbon compounds. b) Electronegativity is a measure of the negative charge. c) Polar bonds are formed between atoms of different electronegativities. d) The polarity of a molecule depends only on the type of covalent bonds it has. e) Isomers are different compounds sharing the same molecular formula. f) Weak acids have higher pK a values than strong ones. g) All cycloalkanes have ring strain. h) sp 2 Hybrid orbitals give rise to bond angles of 120° i) Cis and trans isomers only occur among cyclic alkanes. j) A π bond is not cylindrically symmetrical.
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Exam-1-Fall06.doc 3 2. Draw Lewis structures (lines for bonds and dots for all lone pairs) for the
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CHE201B - Exam 1 2006 - CHE 201B/203B Fall 2006 Midterm...

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