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CHEM 212 Exam 1 QUESTIONS WITH ANSWERS, Exams of Biochemistry

CHEM 212 Exam 1 QUESTIONS WITH ANSWERS

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2024/2025

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CHEM |\212 |\Exam |\1 |\QUESTIONS |\WITH |\
ANSWERS
aromaticity |\rules |\- |\CORRECT |\ANSWERS |\✔✔sp2
ring |\formation
4n |\pi |\e- |\(4n+2)
antiaromaticity |\- |\CORRECT |\ANSWERS |\✔✔DOES |\NOT |\HAVE |\4n |\pi |\e-
neither |\aromatic |\or |\anti |\- |\CORRECT |\ANSWERS |\✔✔does |\not |\have |\all |\
sp2
electrophile |\- |\CORRECT |\ANSWERS |\✔✔e- |\deficient |\(wants |\more)
nucleophile |\- |\CORRECT |\ANSWERS |\✔✔e- |\rich |\(wants |\to |\give |\away)
Wheland |\intermediates |\- |\CORRECT |\ANSWERS |\✔✔6 |\membered |\
carbocation |\int |\(like |\a |\benzene |\but |\w |\2 |\double |\bonds |\and |\1 |\sp3 |\
center |\bc |\of |\2 |\bonds |\to |\H)
Nitration |\rxn |\- |\CORRECT |\ANSWERS |\✔✔adds |\NO2
pf3
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CHEM |\ 212 |\Exam |\ 1 |\QUESTIONS |\WITH |\

ANSWERS

aromaticity |\rules |- |\CORRECT |\ANSWERS |\✔✔sp ring |\formation 4n |\pi |\e- |(4n+2) antiaromaticity |- |\CORRECT |\ANSWERS |\✔✔DOES |\NOT |\HAVE |\4n |\pi |\e- neither |\aromatic |\or |\anti |- |\CORRECT |\ANSWERS |\✔✔does |\not |\have |\all |
sp electrophile |- |\CORRECT |\ANSWERS |\✔✔e- |\deficient |(wants |\more) nucleophile |- |\CORRECT |\ANSWERS |\✔✔e- |\rich |(wants |\to |\give |\away) Wheland |\intermediates |- |\CORRECT |\ANSWERS |\✔✔ 6 |\membered |
carbocation |\int |(like |\a |\benzene |\but |\w |\ 2 |\double |\bonds |\and |\ 1 |\sp3 |
center |\bc |\of |\ 2 |\bonds |\to |\H) Nitration |\rxn |- |\CORRECT |\ANSWERS |\✔✔adds |\NO

nitration |\reagents |- |\CORRECT |\ANSWERS |\✔✔HNO3 |\in |\H2SO4 |(and |
heat) Chlorination/Bromination |- |\CORRECT |\ANSWERS |\✔✔adds |\Cl/BR Chlorination/Bromination |\reagents |- |\CORRECT |\ANSWERS |\✔✔Cl2 |\in |
AlCl3/Br2 |\in |\FeBr Sulfulnation |\rxn |- |\CORRECT |\ANSWERS |\✔✔add |\SO3H Sulfulnation |\reagents |- |\CORRECT |\ANSWERS |\✔✔fuming |\sulfuric |\acid |
(SO3 |\in |\H2SO4) Friedel |\Crafts |\Alkylation |- |\CORRECT |\ANSWERS |\✔✔adds |\R |(alkyl) Friedel |\Crafts |\Acylation |- |\CORRECT |\ANSWERS |\✔✔adds |\acyl |(add |
straight |\chain |\carbons |\to |\benzenes) Friedel |\Crafts |\Alkylation |\reagents |- |\CORRECT |\ANSWERS |\✔✔R-Cl |\in |
AlCl Friedel |\Crafts |\Acylation |\reagents |- |\CORRECT |\ANSWERS |\✔✔Cl-C--OR |
in |\AlCl

0 |\ox |\state |\if |- |\CORRECT |\ANSWERS |\✔✔have |\same |\EN -1 |\ox |\state |\if |- |\CORRECT |\ANSWERS |\✔✔attached |\to |\less |\EN |\atom reduction |- |\CORRECT |\ANSWERS |\✔✔gain |\of |\e- OS |\decreases oxidation |- |\CORRECT |\ANSWERS |\✔✔loss |\of |\e- OS |\increases do |\aldehydes |\or |\ketones |\react |\better |- |\CORRECT |\ANSWERS |
✔✔aldehydes |\bc |\less |\steric |\strain |(attached |\to |\H |\instead |\of |\R |
group) making |\aldehydes/ketones |\from |\alkenes |- |\CORRECT |\ANSWERS |
✔✔ozonolysis O3, |\DMS |(breaks |\ring, |\adds |\ 2 |\C-O |\dbl |\bonds) making |\aldehydes/ketones |\from |\alkynes |- |\CORRECT |\ANSWERS |
✔✔hydration |(ketones) H2SO4, |\H2O, |(HgSO4 |\cat) |- |\CORRECT |\ANSWERS |\✔✔