CHEM2211 Exam 2 2010 second one

CHEM2211 Exam 2 2010 second one - C IIE.\ II STRY 2211...

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Unformatted text preview: C IIE.\ II STRY 2211 F.XA.\ I 2 l\IMn:h 17,2010 Be sure \0 read each question carefully. Partial <:redit will be assigned where approprim To receivc full credit you must nru;wer the question completely. Relax anti good luck!! 1. (10 p t ~) I'ro" idc the prol,er IUJ'AC !lallie, ror the following N""puunds ill the s l)a c~s provided hdow: t~') - '1- F I .. ~ - " "" . o.yl- 1 - (\-I . ..... ....., .. c ;.,..,t') -1,1.1_ ()(.~J,.<-I,(, 4' , ., " (n) ~ C~ )- > - M... o-l1-~; .. ,I- ~ .... , I . '--./y , . SCO R1: I. 2. ) 4. 5. 6. 7. 8. 9. 10 11. _ _ _ N am e:_-,_--,-,-, ______ __ _ 2. (10 poinlS) Lookiul! down Ibe Carbon 2 - Carbon J bond ofl-chtorn-J-etbylpeolane. pr o' ide tbe follo"ing: Draw all three nagGcrcd confOrm:llion$, circlc the most stabl e co nformcr and ulculalc its 10lal strain energy: H '\ H H :l'sU-~ ........ ,,,,Uo 1 " ''',,1.>'1 ''i . Y V" ,, ' :, I( , c'----,r , 0' J '"' " It'-I'l G", H ,,~~""\ If 0 .. 1_'1_ .. " !'-11N ~o- .. ,,~ .... '1''1 l(.}I ..... ' r" .r.~ + ... ,,' ~.~ K.-"".j T 0181 .train energ y for !he RlOIIt slable conformer: [ G' I , Draw all rhr Iip$ed confo rmations. circle the 1 .. :I st s tabl e ronformcr and calculate ils 101:11 urain eoergy: H H '\ H [ "'"'1 V i LJ,<M"lo H ~ :, ~~l",," ) 0" ,~\ ~o_) U 11"" .. 1 H, "-, , Ioo.S. 1\.;.. t '-f"5 " ;.~., I<.~I,.~ 1I_ "f )<,.,- )C; 1 ,(.JI ~. \ (..5"H .. ,o+ '0, ,;n~!"'.1 Totol l strain en ergy lor the leas t slilble conformer: [ ~S.? K.."1; ..... 1 I 2 \ Name: ___ ____ _ _____ _ _ 2. (10 points) Looking down the Carbon 2 - Carbon 3 bUDd of 2-cbloro-3-e!hylpco tauc, IIro" ide the full owing:...
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This note was uploaded on 07/18/2011 for the course CHEM 1211 taught by Professor Atwood during the Spring '07 term at University of Georgia Athens.

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CHEM2211 Exam 2 2010 second one - C IIE.\ II STRY 2211...

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