2007 Exam1-KEY

2007 Exam1-KEY - CHGN221 Fall 2007 Organic Chemistry Exam...

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CHGN221 Organic Chemistry Name: Scott Cowley Fall 2007 Exam #1- KEY Score: 100 PART 1: This portion of the exam is multiple choice. Only one answer is correct. Circle the correct answer for each problem. 1. (4 points) Which of the following is a correct Kekule structure for C 3 H 7 NO? (C) C H H H C O C N H H H H H H C C H H H H H C O N H H C C O N C H H H H H H H (A) (B) (C ) (D ) None of the above 2. (4 points) Which of the following is the correct IUPAC name for the molecule shown below? CORRECTION NO 2 Br (A) 4-bromo-1-nitro-2-propylcyclohexane (B) 4-bromo-2-butyl-1-nitrocyclohexane (C) 1-bromo-4-nitro-3-propylcyclohexane (D) 4-bromo-1-nitro-2-propylcycloheptane (E) None of the above 3. (5 points) Which of the following is the correct IUPAC name for the molecule shown below? C C CH 3 CH 2 CH 2 CH 2 CH 3 Br H (A) trans-3-bromo-2-heptene (B) cis-3-bromo-2-heptene (C) E-3-bromo-2-heptene (D) Z-3-bromo-2-heptene (E) None of the above (should be -3-heptene) 4. (5 points) What is the hybrid state of the atom highlighted in the structure below? C C C N CH 3 H H H H C O (A) sp 3 (B) sp 2 (C) sp (D) None of the others -1-
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5. (5 points) Identify the bond type present for the bond highlighted by a thicker line in the molecule below. O CH 3 O (A) π (p + p) (B) σ (sp 3 + sp 3 ) (C) σ (sp 2 + sp 2 ) (D) σ (sp 2 + sp 3 ) (E) None of the others 6. (4 points) What is the formal charge on the atom highlighted below? H
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2007 Exam1-KEY - CHGN221 Fall 2007 Organic Chemistry Exam...

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