CHEM 232 SP13 Exam 1 with 100% Correct Answers

CHEM 232 SP13 Exam 1 with 100% Correct Answers

1. Which of the following choices lists the correct number of each type of carbon atom in the structure shown?




A. 4 primary, 3 secondary,
C. 3 primary, 3 secondary, E. 3 primary, 3 secondary,
2 tertiary, 1 quaternary
3 tertiary 2 tertiary, 1 quaternary
B. 0 primary, 3 secondary,
D. 4 primary, 3 secondary,
3 tertiary, 3 quaternary
3 tertiary

2. How many sp-hybridized atoms are there in the molecule shown?




A. 1 C. 2 E.3
B. 4 D. 5
3. In which of the following structures does the carbon atom have a formal charge that is not zero?
A. C.
E. Both c and d
B. D.

4. Which of the following Lewis structures contains an oxygen atom with a 1+ formal charge?

E.
A. C.




B. D.




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, 5. Which of the following structures is the best Lewis structure for hypochlorous acid, HOCl?

A. C. E.
B. D.

6. Which of the line-angle drawings shown below is identical to the chair cyclohexane shown here?




A. C. E.




B. D.




7. Which of these compounds can adopt the most stable conformation?




A. C. E.




B. D.

8. How many unique stereoisomers exist for this compound?




A. 1 C. 3 E. 8
B. 2 D. 4




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