organic 2 EXAM 1 2004

organic 2 EXAM 1 2004 - EXAM 1 Spring 2004 CHEM 2344B...

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EXAM 1 Spring 2004 CHEM 2344B Name:____ ____________ Directions : Calculators and extra materials (papers, etc) are NOT to be used during this exam. If you chose to leave the testing room for any reason during this exam you will not be allowed to re-enter the room. 1. Name the following molecules; using the IUPAC naming system is preferred but not essential. (10 points) 1a. 1b. O CH 3 CH(CH 3 ) 2 COOH H 3 CH 2 CO 1c. 1d. O S 2. Circle any molecule below that has a maximum absorption wavelength between 200 and 400 nm. (4 points) C O 3. Answer the following questions about a molecular orbital diagram representing the Pi electrons for the molecule below: (8 points) N H 3a. How many molecular orbitals would there be for this molecule? 3b. How many Pi electrons are there in this molecule? 3c. How many electrons would be in the highest occupied molecular orbital (HOMO)? 3d. Where would any additional Pi electrons go in the molecular orbital diagram?
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4. For each molecule below indicate if the molecule is aromatic, antiaromatic or
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organic 2 EXAM 1 2004 - EXAM 1 Spring 2004 CHEM 2344B...

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