Practice Exam1

Practice Exam1 - Name: _ Exam 1 Chemistry 334 (Spring 2011)...

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Name: ______________________ Exam 1 Chemistry 334 (Spring 2011) Question 1 32 points Question 2 20 points Question 3 18 points Question 4 20 points Question 5 16 points Total 106 points Extra Credit 5 points
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Chemistry 334 Exam 1 Spring 2011 -2- 1) (32 points) Fill in the blanks. Draw all major products. ( Note: some reactions may require more than one set of reagents ). A) ! O O H H B) NBS, ROOR light C) O O HNO 3 , H 2 SO 4 D) 1. O 3 2. Me 2 S
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Chemistry 334 Exam 1 Spring 2011 -3- E) 1. NBS, ROOR 2. NaOEt, HOEt F) N SO 3 H 2 SO 4 O CF 3 H G) O H) Draw para -chlorobenzoic acid:
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Exam 1 Spring 2011 -4- 2) Comparing stabilities. Short answers: a) (4 points) Circle the most stable radical and put a box around the least stable radical: CH 2 CH 3 CH 3 CH 3 CH 3 b) (6 points) Circle the molecules that are aromatic. Put a box around the molecules that are antiaromatic. N H S O OH c) (10 points) Compare the two carbocations. Use curved arrows to draw the contributing resonance structures. 1
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Practice Exam1 - Name: _ Exam 1 Chemistry 334 (Spring 2011)...

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