Exam 1 - September 26, 2001 Page 1 of 6 September 26, 2001...

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September 26, 2001 CHEM 2370 Name _________________________ Dr. S. A. Dandekar Exam 1 (100 points) Write all answers on these sheets, using additional sheets if necessary. Show all work for possible partial credit, even for multiple choice questions . Section A: 64 points Select the best answer from the given choices for questions 1-16. (4 points each) 1. Which of the following is an ion with a single negative charge? d. All of these e. None of these 2. In which of the following would you expect the central atom to be sp 3 hybridized (or approximately sp 3 hybridized)? a. BH 4 - b. NH 4 + c. CCl 4 d. CH 3 : - e. All of these 3. When the ls orbitals of two hydrogen atoms combine to form a hydrogen molecule, how many molecular orbitals are formed? a. One bonding molecular orbital only b. Two bonding molecular orbitals c. One bonding molecular orbital and one antibonding molecular orbital d. Two antibonding molecular orbitals e. Three bonding molecular orbitals a. H 3 CO b. ON O c. O O Page 1 of 6 September 26, 2001 1/19/2007 http://www.chem.unt.edu/CHEM2370/2370ex1.htm
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Exam 1--Page 2 4. Which molecule has a non-linear structure (i.e., for which molecule are the nuclei not in a straight line)?
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This note was uploaded on 04/14/2008 for the course MATH 1680 taught by Professor Patton during the Fall '08 term at North Texas.

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Exam 1 - September 26, 2001 Page 1 of 6 September 26, 2001...

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