CHEM302 S09 Q2Agroup key

CHEM302 S09 Q2Agroup key - c. Step 3 will not occur if ROH...

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CHEM 302, Quiz 2A Group, Activity 2 Spring 2009 Scratch off the correct answer for each problem. If there is no star, make a second choice and scratch off until the correct answer is revealed. SCRATCH OFF 1-5. 1. Draw curved arrows to show electron movement for the following reaction. Use the numbers to represent the curved arrows for the reaction. (each arrow should have two numbers and indicate where the arrow starts to where it points). O 1 2 CH 3 O + 3 4 5 6 7 A. 1456 B. 1276 C. 5641 D. 7621 2. Consider the following reaction: R O R' + HBr ROH + BrR' Step 1 HBr Step 2 RBr + R'Br R O R' H Step 3 Which of the following statements are TRUE: a. The ether must be protonated in Step 1 or it will not react. b. The leaving group in Step 2 is R’Br.
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Unformatted text preview: c. Step 3 will not occur if ROH is sp 2 hybridized. d. In step 1 the ether acts as a base. A. a,d B. a,c C. a, c,d D. a,b,c and d 3. Identify whether the following conditions would be considered acidic or basic and what position the nucleophile will attack. O 2. H 3 O + 1.CH 3 MgBr 1 2 A. acidic, position 1 B. acidic, position 2 C. basic, position 1 D. basic, position 2 4. Indicate the major product of the following reaction. O 1. PhMgBr 2. H3O+ HO A. B. C. D. O HO OH Ph HO OH Ph OH Ph 5. How could the following product be prepared? OH OCH 3 A. B. O NaOCH 3 CH 3 OH O H + CH 3 OH C. D. O NaOCH 3 CH 3 OH O H + CH 3 OH...
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CHEM302 S09 Q2Agroup key - c. Step 3 will not occur if ROH...

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