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Past Exam for CHEM 2535 - Organic Chemistry with Gandour at Virginia Tech (VT)

Exam Information

Material Type:Exam 2
Professor:Gandour
Class:CHEM 2535 - Organic Chemistry
Subject:Chemistry
University:Virginia Polytechnic Institute And State University
Term:Fall 2004
Keywords:
  • Provided That
  • In/on/at a Place
  • Stereochemistry
  • Explanation
  • Hydrogenation
  • Concentration
  • Diastereomers
  • Configuration
  • Enantiomers
  • Following Pairs
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Sample Document Text

CHEM 2535 Organic Chemistry Exam 2b October 19, 2004 Page 2 of 6 H:\Chcm253SIFilIl2004\examsIExam2bkey doc 1(8) 2(11) 3(8) 4(8) 5(8) 6(24) 7(11) 8(10) 9(12) Bonus(8) Total(100) 1. Draw structures of the three isomeric alkenes that give 3-methylpentane as the product in a reaction with H2 in presence of PtlC .. Place the isomer that gives the highest heat of hydrogenation in the box labeled Highest. (8 points) Highest '-/~ '2/ UA s-f-f1Uc/-k I- f1/'-- iV'1IJ I'; fit< ~kx 2. Write a curved-arrow mechanism for the following electrophilic addition. Place the intermediates and product in the boxes labeled as such. (11 points) step 1 step 2 .. product .. intermediates 1- (VA ~A-~-W Cf fiA: Sf/U~~r) ~ h>Y~ l\ r~L,\ MY" ~\(v '!0- G fv;> aPJc ' CHEM 2535 Organic Chemistry Exam 2b October 19, 2004 Page 3 of 6 H:\Chem2535\FaI12004\oxamsIExam2bkoy doc 3. In the large box, draw the structure of the alkene that would give the two products as the ONLY product....

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