322b--exam 1 practice %28sp. 00%29

322b--exam 1 practice %28sp. 00%29 - indicate "no...

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t . . . . . . . . . . Ammge in order of decreasina stability (Take account of resonance structures!) (a) (CH3hC--CH-~o (b) (C~)2C=CHCH'CH3 (c) ~C= CHC~'(d) °CH=CHC(CH,h (e) (H3C)3C" (0 'CH= CHz l.a) b) (d) (e) in order of decreasing basicity: Arrange 2. . . . NaOH, CH3Li~ cf. NHzK, CH3COONa, ~CH=CHLi (a) . (b) (c) (d) (e) (0 Answer: b>4>t>a>e>c . . .j.,J. . . . . 3. Indicate the hybridization symbol oftbe stan'ed atoms 3. 2 Sp * * Sp Sp2 Sp3 * 01 ;0 ...' Sp2 H Sp2* .. * Sp3 4. Write electronic structures of (include fonnal CO2 HNO3 NO+ 1:>--c-o' ~ r -<~~,o I f IQIH . . . 5. Circle and name the functiona] groups. Also ether +1 * Ox~ No: -1, +3 322b Practice First Progress Test Spring 200 . (c) (CH3)3~ (f) + CH~H-C~ + CH:rCH . Answer: (b) > (~) > (a) >(') > (0) (e) Sp2 charges): HSO4 - CN- NO2 - /N~I I - 10, + I N!!!!() I - IC NI -- 10 indicate tb~ iI alkene ester. +3 1 "."'.
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6. Write the resonance structures of . °to., 0[0+' 9t' +Q~S5~ : p 0 +0.0 (5 0+ 7. Write the structures of the predominant product. If no reaction oc~
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Unformatted text preview: indicate "no rxn" () 8. c. 5 4 3 2 1 g. CHsCH::CHCH=CH2 + HBr .. light or +Br2 ~ ROOR h j. +HCI ,. + 8. Synthesize from alcohols of 4 carbons or less as the only carbon source and any other needed reagenl (C~)sC-CH:lCH(C~)2 8. t-BuOH + PBr3 (:=J t-BuBr + Li metal (:::=:::J b. KMnO4 ,.. NO RXN cold 0-r+CtbMgBr - ~ d. 1 )Na8H4 ~ 2)HP 0+&2 ,. CCl4 ~ hv--. . CCI4 Endo-isomer No R><n. ~o + + (t-Bu)~uLi + BrCH:PH(CHs~ il c=) t.. .0. 2#Uu + Cui HOCH2CH(CH:Y2 + PBrs 2. I b. Synthesize ~H (:::J~Br (::::=J /'VMgB~ Y .. -. .. + MgJEt~ HaO+~ 9.Indicate which of the following is (A) aromatic (B) anti-aromatic (C) non-aromatic + . OOOOQQ (A) (0) (0) (A) , L~H~ b. ~~r' 1 . ~ NBS""" Br . : ;c,,::' . w...~m!q, starting with alcohols of 3 carbons or less as the only carbon source and any other needed reagents ~ QQ ('ar-t), + + . +Br + / 1...
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This note was uploaded on 03/02/2008 for the course CHEM 322BL taught by Professor Singer during the Fall '07 term at USC.

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322b--exam 1 practice %28sp. 00%29 - indicate "no...

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