CHEM%202P21%20Test%201%20-%20Solutions%202011

CHEM 2P21 Test%2 - For markers use only Question Out of Mark 1 7 2 23 3 16 4 8 5 12 6 17 Total 83 Name Student Number Laboratory Day and Time

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Page 1 of 8 For marker’s use only: Question: 1 2 3 4 5 6 Total Out of: 7 23 16 8 12 17 83 Mark: Name: _______________________________________ Student Number:__________ Laboratory Day and Time:________________________________ Chemistry 2P21 Test 1 February 11, 2011 Duration: 1.5 h Total: 83 Marks This test contains 9 pages and 6 questions. Answer NEATLY in the space provided. Answers written in pencil WILL NOT be remarked. Molecular models are permitted. DO NOT remove pages from the test package. [7] 1. Fill in the reagent(s) required for the following chemical transformations. OH Br OH O Cl O A B C D E F G BH 3 (1) H 2 O 2 /NaOH (1) HBr or PBr 3 (1) Mg (s) , ether (1) CO 2 (1) HCl, H 2 O (1) SOCl 2 or PCl 5 (1)
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Page 2 of 8 [23] 2. Provide the product(s), and complete reaction mechanism for the following chemical reaction. O O H OO HCl H 2 O ? O O H HC l O O H H + H O H O O H H O + H H H O H O O H H O H H O + H H O O H O H + OH O H O O H O HO H O + H H O H O H O + H H + + (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (3) (1) (1) (1) (3)
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Page 3 of 8 [16] 3. The brevetoxins are produced by the dinoflagellate Karenia brevis , an organism responsible for “red tides”.
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This note was uploaded on 04/21/2011 for the course CHEM 2P21 taught by Professor Erc during the Winter '11 term at BU.

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CHEM 2P21 Test%2 - For markers use only Question Out of Mark 1 7 2 23 3 16 4 8 5 12 6 17 Total 83 Name Student Number Laboratory Day and Time

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