14D_w10_e02_key

14D_w10_e02_key - Chemistry 14D Winter 2010 Exam 2...

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Chemistry 14D Winter 2010 Exam 2 Solutions Page 1 Statistics : High score, average, and low score will be posted on the course web site after exam grading is complete. Some questions have more than one answer, even though only one answer may be listed here. To see the projected course grade cutoffs, consult the grading scale on the Chemistry 14D course web page. 1. (b) When HX adds to an alkene, the hydrogen of HX becomes bonded to the alkene carbon that bears the greatest number of hydrogen atoms. 2. Carbocation stability 3. (a) No 1. BH 3 2. NaOH, HOOH HO (b) No H 2 Pt (c) Yes HC CCH 3 HBr Br Br 4. OCH 3 H Cl OCH 3 Cl OCH 3 Cl 5. Many answers are possible, as long as the alkene is more nucleophilic and the intermediate carbocation is more stable. In the case shown below, adding a methyl group converts the intermediate carbocation from primary with resonance to secondary with resonance. OCH
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This note was uploaded on 03/12/2012 for the course CHEM 14D taught by Professor Hardinger during the Winter '08 term at UCLA.

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14D_w10_e02_key - Chemistry 14D Winter 2010 Exam 2...

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