solution-3 - Chemistry 118A Student # Key Final 2000...

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Chemistry 118A Final 2000 Student # Problem Score 1 2 3 4 5 6 7 8 9 10 11 TOTAL This exam contains 12 pages and 11 problems. When you are told to start, check to see that all the pages are there. If not, ask for help n o w . No adjustments will be made later 1. (24 pts) Matching. Each structure on the left contains a functional group named on the right. Match them in the spaces given below. CH 3 —C—NH—CH 3 O CH 3 —CH—O—CH 3 CH 3 CH 3 CH 2 NHCH 2 CH 3 CH 3 —C CH 3 C CH 3 H O CH 3 COCH 2 CH 3 O CH 3 CH 3 CH 2 CH 2 COH O O A B C D E F G H 1– alcohol 2– aldehyde 3– amide 4– amine 5– benzene 6– carboxylic acid 7– ester 8– ether 9– haloalkane 10– ketone 11– lactone 12– nitrile 13– nitrone 14– sulfone 15– sulfoxide Structure A contains functional group number _______ Structure B contains functional group number _______ Structure C contains functional group number _______ Structure D contains functional group number _______ Structure E contains functional group number _______ Structure F contains functional group number _______ Structure G contains functional group number _______ Structure H contains functional group number _______ 3 8 4 2 7 5 6 10 Key
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2. (16 pts) Provide complete systematic (IUPAC/CA) names for each of the molecules shown below. C CH 2 OH CH 3 CH 2 CH 2 CH 2 CH 3 H CH 3 CH 3 O Br CH 2 Cl CH 3 CH 2 H Br CH 3 H H CH 3 —CH CH 3 C—CH 3 CH 3 CH 3 a. b. c. d. Chemistry 118A Practice Final Page 2 Initials S-2-ethyl-1-pentanol (2S,3S)-2-bromo-3-(chloromethyl)-2-methoxypentane (1R,3S)-1-bromo-3-methylcyclopentane 2,2,3-trimethylbutane Key
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(36 pts) Multiple choice. Circle the best answer. a. The shapes of organic molecules are determined by hybridization of orbitals electron repulsion resonance hybrids b. Contains the most electrophilic carbon CH 3 —O N C : : CH 3 —O N C : CH 3 —O N C : CH 3 • CH 3 c. Best resonance form for CH 3 ONC d. Best resonance form for [CH 3 OC(CH 3 ) 2 ] + O C CH 3 CH 3 CH 3 O C CH 3 CH 3 CH 3 :: O C CH 3 CH 3 CH 3 C C CH 3 CH 3 Cl H Cl CH 3 Chemistry 118A Practice Final Page 3 Initials Key
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solution-3 - Chemistry 118A Student # Key Final 2000...

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