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 pointsSelect 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 thesee. None of these2. In which of the following would you expect the central atom to besp3hybridized (or approximately sp3hybridized)?a. BH4-b. NH4+c. CCl4d. CH3:-e. All of these3. When the ls orbitals of two hydrogen atoms combine to form ahydrogen molecule, how many molecular orbitals are formed?a.H3COb.ONOc.ONOOPage 1 of 6September 26, 20011/19/2007http://www.chem.unt.edu/CHEM2370/2370ex1.htm
has intentionally blurred sections.
Sign up to view the full version.