2007 FINAL EXAM-KEY

2007 FINAL EXAM-KEY - CHGN 221 Fall 2007 1._ 2._ FINAL EXAM...

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CHGN 221 FINAL EXAM Name ________________ Fall 2007 1.___ 2.____ 3.____ 4.____ Bonus____ Total_______ (75 points) Circle the correct answer(s) for the following questions. 1. What is the correct IUPAC name for the following compound? Only one answer is correct. A) 1-chloro-1-bromo-2,2,2-trifluoroethane B) 1-bromo-1-chloro-2,2,2-trifluoroethane C) 1-bromo-1-chloro-2,2,2-trifluoropropane D) 2-bromo-2-chloro-1,1,1-trifluoroethane E) none of the above 2. What is the correct IUPAC name for the following compound? Only one answer is correct. CH 3 CH=CHCH 2 CHCH 3 I A) 2-iodo-4-hexene B) 2-iodo-4-heptene C) 5-iodo-2-hexene D) 5-iodo-3-hexene E) none of the above 3. What is the stereochemical configuration of the following compound? Only one answer is correct. CH 3 CH 2 OH H 2 N CH O A) R B) S C) Does not have a chiral center. 4. What kind of reactions do alkynes participate in? More than one answer may be correct. A) electrophilic addition B) free radical addition C) nucleophilic substitution D) free radical substitution E) nucleophilic addition F) none of these 5. What kind of reactions do alkenes participate in? More than one answer may be correct. A) electrophilic addition B) free radical addition C) nucleophilic substitution D) free radical substitution E) nucleophilic addition F) none of these F C F C F Cl H Br
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6. What would be the major reaction between a strong nucleophile (strong base) and 2-bromo-2-methylpropane? More than one answer may be correct. A) S N 1 B) S N 2 C) E1 D) E2 E) no reaction 7. What would be the major reaction between a weak nucleophile and 2-bromo-2- methylpropane? More than one answer may be correct. A)
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2007 FINAL EXAM-KEY - CHGN 221 Fall 2007 1._ 2._ FINAL EXAM...

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