quiz chpt 4 solutions

quiz chpt 4 solutions - CH 383 AY 2007-2008 A Hour 50...

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----------- CH 383 AY 2007-2008 Name lL:(bJ€c~ Suls A Hour Date~ 50 points Quiz Chapter 4 15 Minutes (24) 1. Consider trans-1-ethyl-3-methylcyclohexane. a. Draw the most stable. chair confQrmation. r-------r/----, ' , '-f---$~. --Jik::.'=:.' ,." ' b. Calculate the total steric strain energy for this conformation. o O)'OAl L <:~. <' f ' .- _._.~---- c. Draw the conformation after the structure you drew in a. above undergoes ring flip. ~"",i~ l I \~"'---':;::~ii ' '. , " \_'_.'"••• _«~ d. Calculate the total steric strain energy for this conformation. o r":! "A-t , t ,- /'"1,, r.: ~" _,J ,.' > ',. ,.;., (" a l.i i'·'··"'·- .Jj n" e. Circle the most stable conformational isomer and briefly explain why it is the most stable. I '"- f '~~, <,I•• ;,1 c~ f .,. .. ~r~ 'j)o. C,. ., \~t '~\ :F '~~ , ! ,~~j~~1 " \ I -'lfl1,,,., J \rv-··)·A~,f .q. J ,. r"",l ' (8) 2. Name the following molecules: a_(j C;.r - /) ;' '·','l ! p" " I h ,'J (.:. ~" :.:.! .? r'~' . ,'. ' " ~' ; b L ""'/ 1
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CH 383 Quiz 4 A Hour continued (8) 3. Draw structures for the following named molecules. a. t-butylcyclobutane b. cis-l-chloro-2-methylcycloheptane (10) 4. Compare the stability of cyclopropane and cyclobutane. Comment on the types of strain found in these molecules in your explanation. I1v"- :5 i~ I (- ':. l (~ J j"- ".. '[ " . ,,"t'~. /'( . ?4- ",- , ; , ' . ~. 2
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----------- CH 383 AY 2007-2008 Name !1"nr o J <let Sofs CHour Date~ 50 points Quiz Chapter 4 15 Minutes (24) 1. Consider cis-l-ethyl-2-methylcyclohexane.
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This note was uploaded on 04/15/2008 for the course CH 383 taught by Professor Comitz during the Fall '08 term at West Point.

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quiz chpt 4 solutions - CH 383 AY 2007-2008 A Hour 50...

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