2007_test_2b_answers - Chemistry 2203/7'07 TEST 2B Name...

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TEST 2B Name: Abenor Answers Page1/1 Marks are in parentheses Marked tests can be picked up THIS FRIDAY 11:30 AM in AT 301! 1 . (6) For the molecules below, provide a systematic name ( 2 x 2 marks ). Identify the hydroxyl groups in the molecule on the left as primary, secondary or tertiary. ( 2 marks )? 8 7 6 5 4 octan-1,5-diol OH 1 2 3 1,1-difluorocyclopentane F HO F 1 ο 2 ο 2a . (1) Why is methyl chloride higher boiling than methane ? Dipole/dipole interaction not present in methane. 2b . (1) Why are methanol and water are completely miscible while n-pentanol and water are not? n- pentanol contains too many hydrophobic (water-repelling) methylene groups. 3a . (8) Show the reagents required to execute the reactions shown below. -OtBu H+ NaH CF 3 CF 2 I O F-CF 2 CF 3 Br HO Br F OH deprotonation at hydroxyl followed by internal SN2 reaction to displace Bromide and form cyclic ether ( epoxide). 3b
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This note was uploaded on 07/28/2009 for the course CHEMISTRY CHEM 2203 taught by Professor Levin during the Spring '08 term at Indian Institute of Technology, Chennai.

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2007_test_2b_answers - Chemistry 2203/7'07 TEST 2B Name...

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