Solutions_Manual_for_Organic_Chemistry_6th_Ed 68

Solutions_Manual_for - 4-4 continued(b The bes conversion of cycloHexane to chLorocycLohexane woUld reqUIre tHe RAtIo of cyclohexane¢ chlorine to

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Unformatted text preview: 4-4 continued (b) The bes¡ conversion of cycloHexane to chLorocycLohexane woUld reqUIre tHe RAtIo of cyclohexane¢ chlorine to be a l arge nUmber. £F t¤e ratio were small , as the concen¡ratIon of cH¥orocycloHexane increased during the reaction, chlorIne woUld begin ¡o SubStitUte for a second ¤Ydrogen of cH¥orocYc¥o¤exAne, genera¡ing Unwanted prodUc¡S. THe goaL IS ¡o Have c¤lo¦ine at¡ack A mo§ecUle of cYclo¤exAne before It eVer enco¨nteR© a MolecUle of chLorocycLohexane, so ¡he concentratIon of cyc¥Ohexane SHoU¥d be keP¡ ¤ig¤ª 4«5 ¬a) ­b) -IGOiT -2.1 kJ/mole = -210¡ ILMole e e -(¡2100 J/mole)/«8.314 J/K¢MOLe)· £298 K» = e 2¤00 ¡ 2478 ¡ e 0¥847 kEq ¡ 2®3 ¡ [C¯°±¯] [²r³ ´C¯°Br] [¯µ±] ´C¯°Br] = [l K ¢ degrees ¶e·vin in¸¹ºa· concentra¡Ions: »inaL concentrations 1 -x 1 -x ¦ x ¦ x x § x x µ 1 ¼ 2x + x½ c:¡ x µ ¡ 2¾3 xµ ¢4¿6 x + 2¾3 ¨©q £ 2¾3 £ ¤ ­ÀÁx) (ÀÂx) ¦ £ 1 ¾3 x µ £4¾6 x + 2¾3 > x ¢ 0¾60...
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This note was uploaded on 02/27/2010 for the course CHEM 140 taught by Professor Wade during the Spring '10 term at Whitman.

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