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Past Exam for CHEM 231 - Organic Chemistry I with DeShong at Maryland (UMD)

Exam Information

Material Type:Exam 1
Professor:DeShong
Class:CHEM 231 - Organic Chemistry I
Subject:Chemistry
University:University of Maryland
Term:Spring 2003
Keywords:
  • Unauthorized
  • Immediately
  • Stereochemistry
  • Interactions
  • Unauthorized Assistance
  • Conformation
  • Spectroscopy
  • Stereoisomers
  • Functional Group
  • Right-to-Left
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Sample Document Text

CHEM 233 - Dr. DeShong Exam 1 February 20, 2003 Name Section: __________________________ __ This exam consists of 11 questions on pages 1-5. Please check your copy immediately to detenrune that it is complete. Please copy the following and sign in the box below. I pledge on my honor that I have not given or received any unauthorized assistance on this exam. Signature SCORE 1 2 3 4 5 6 7 8 9 10 11 Total (150 pts) 1. (1 pt. each) What is the lPKa of the underlined proton? ~ - a O- H ~I -C=C-H o )lO-H '\. N-H / - 2. Draw two additional resonance structures for each. Indicate formal charge on all atoms that are not neutral. . . . . 0 0 a) (10 pts.) U .. ~ A .. / H~ Ce N iI I C) b) (10 pts.) .. n e H-O~)l .. NH .. 3. (10 pts.) What is the hybridization of the numbered atoms? 3----t~ -= Cl "-1 4----t~.x 0. N=O;~ e./~ :0. 5 .. . 1 2 3 -1- 4 5 4. a.) (lOpts.) o + ,)l'O-H "' ...

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