351 E1p mc F08

351 E1p mc F08 - 351 F08 Practice E1 1. In which of the...

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351 F08 Practice E1 1. In which of the following does hydrogen have a partial negative charge based on electronegativity? A. BH 3 B. CH 4 C. NH 3 D. H 2 O 2. In the equilibrium below, the strongest base is: (pK a H 2 O = 15.7, pK a NH 3 = 36) A. A B. B C. C D. D 3. Based on the VSEPR model, which of the following species has (have) a trigonal planar geometry? I. BCl 3 II. NH 3 III. NO 3 ¯ A. only I B. I and II C. I and III D. I, II, and III 4. What is the formal charge on the nitrogen atom in the structure below? A. -1 B. 0 C. +1 D. +2 5. What is the formal charge on the oxygen atom in the structure below?
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A. -1 B. 0 C. +1 D. +2 6. Which of the following species have a zero formal charge on its carbon atom? A. I and II B. II and IV C. III and IV D. I, II, and III 7. Which one of the following mechanistically depicts the protonation of methanol by hydrogen bromide? A. A B. B C. C D. D 8. The C-C-C bond angle in propane, C 3 H 8 , is closest to: A. 90 o B. 109.5 o C. 120 o D. 180 o 9. In the equilibrium below, the strongest acid is:
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A. A
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This note was uploaded on 12/09/2009 for the course CHEM 351 taught by Professor Staff during the Spring '08 term at BYU.

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351 E1p mc F08 - 351 F08 Practice E1 1. In which of the...

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