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Exam+1+Review - CHEM 2341 Exam 1 Review 2011 1 1. The...

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1 CHEM 2341 Exam 1 Review 2011
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2 1. The compound methanol, CH 3 OH, contains a C-O bond. In this bond, which of the following best describes the charge on the oxygen atom? Is the molecule polar? A. +1 B. slightly positive C. uncharged D. slightly negative E. -1 2. What orbital overlap generates the C-O bond? 3. Which of the following has (have) approximate tetrahedral bond angles? Which has (have) trigonal planar bond angles? 4. Which of the following structures corresponds to CH 3 CHC(CH 3 ) 2 ? A. B. C. D. 5. The electron pair movement depicted below produces a second resonance form for the species. Draw the resonance form. What is the formal charge on the nitrogen atom for this second resonance form? A. -2 B. -1 C. 0 D. +1 6. What is the relationship between the following two structures? Constitutional isomers, different compounds, or resonance structures N H H H O N H H OH A) NH 3 B) BF 3 C) CH 3 D) CH 3 E) H 2 O F) H 3 O
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3 7. Label the following as primary, secondary, or tertiary A. B. C. D.
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Exam+1+Review - CHEM 2341 Exam 1 Review 2011 1 1. The...

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