1_2536_06_T1b - Test 1b O Chem 2536 Spring 2006 Name_...

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Test 1b Name________________________________________ O Chem 2536 Pledge: I have neither given nor received information on this test. Spring 2006 _________________________________ Table of Reagents 1) KMnO 4 2) H 3 O + 1) Zn(Hg), HCl 2) - OH MnO 2 NBS, , ROOR 1) Provide the mechanism and product for the electrophilic aromatic substitution shown below. Show formation of the electrophile and three resonance structures for the cationic intermediate. Label the electrophile, nucleophile, and rate determining (slow) step. (12 pt) 2) In the compounds below, give each atom the appropriate formal charge. All lone pair electrons are shown. (3 pts) 1 CH 2 CH O CH 3 CH 2 CH 2 N O O CH 3 CH 2 OH H CH 3 NH H
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3) Propose a mechanism to show the formation of the following product from the given reagents. (9 pt) Nu Arom substitution – will not be on your test 4) a. In the blanks below, label the compounds as activating or deactivating. ( 6 pts) b. Use arrows to show the positions reactive towards electrophilic aromatic substitution. (6 pts) ______________ ____________ _____________ 2
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5) a. From the given structures, circle the
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1_2536_06_T1b - Test 1b O Chem 2536 Spring 2006 Name_...

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