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Past Exam for CHEM 321 - Organic Chemistry with Carney at Christopher Newport (CNU)

Exam Information

Material Type:Exam 1
Professor:Carney
Class:CHEM 321 - Organic Chemistry
Subject:Chemistry
University:Christopher Newport University
Term:Fall 2009
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1 Department of Biology, Chemistry, & Environmental Science Christopher Newport University CHEM 321 Organic Chemistry Exam 1 ? 100 points ? 6 pages ? Wednesday, September 16, 2009 Honor Pledge: Key (Signature) NAME: KEY 1. (12 points) Draw the best Lewis electron dot structures for each of the following compounds. Show more than one when appropriate. Show all outer-shell electrons as dots including those involved in bonding and any outer-shell non-bonding electrons. Do not use lines . Show charges on specific atoms whenever full formal charges (not partial charges) are present. (a) C Cl (tetrachloroethene) 2 4 (b) CO (carbon dioxide) 2 (c) C H O (an ether) 2 6 (d) CH N (diazomethane) 2 2 2 2. (8 points) Consider the structure of urea, a common end product of metabolism, shown below. a. What is the hybridization state of the carbon atom? sp 2 b. What is the approximate N-C-N bond an...
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