Exam_1_Green-1 - CEM251/Fall 2010/First Exam.(page 1) (12...

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CEM251/Fall 2010/ First Exam ..... (page 1) ( 12 total points ) 1. Draw the structure of each of the following molecules: 2,3,3-trimethylpentane a) 2 pts. trans- 1-bromo-4-isopropylcyclohexane (use wedge-dotted lines to show stereochemistry) b) 2 pts. 2. Give the IUPAC name for each of the following molecules: 2 pts. a) CH 2 CH(CH 3 ) 2 2 pts. b) CHCHCH 2 CH 3 CH 3 CH 3 Cl 3. Give the formal charge on the indicated atoms in the following structure: C CH 3 O O 2 pts. 2 pts. H
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First Exam ..... (page 2) ( 12 total points ) Molecule X has 22 carbons, three ! bonds and one ring. How many hydrogens does X have? 4) 2 pts. CH 2 The number of ! bonds in Y is? c) a) The number of Sp 3 carbons in Y is? b) 5) For the above molecule Y : The number of Sp 2 carbons in Y is? The number of Sp carbons in Y is? d) Y 2 pts. 2 pts. 2 pts. 2 pts. C N O 6) How many of the six methyl groups in molecule A will occupy an equatorial position in A ʼ s more stable chair conformation? CH
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This note was uploaded on 12/09/2010 for the course CEM 251 taught by Professor Rathke during the Fall '07 term at Michigan State University.

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Exam_1_Green-1 - CEM251/Fall 2010/First Exam.(page 1) (12...

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