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CHM2210F11EXIIV3 - NAME LAST FIRST Panther ID SECTION A.M...

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NAME___________________________________ ___________________________ LAST FIRST Panther ID SECTION: A.M. P.M. (Circle One) FLORIDA INTERNATIONAL UNIVERSITY Department of Chemistry & Biochemistry CHM 2210-­૒U01, U02 – ORGANIC CHEMISTRY I Fall 2011 Dr. Keller Dr. Landrum EXAM II (V3)
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CHM 2210 U01,02, Fall 2011 Exam II, V3, Page 2 1. How many sp 3 -sp 2 σ bonds are there in the following substance? ( hint: ID the hybridization of each C first ) A) 1 B) 2 C) 3 D) 6 E) 8 2. What shape does the methyl cation, CH 3 1+ , have? 3. Select the LEAST polar bond. 4. Indicate the hybridization of the elements (except for the hydrogens) in the following compound: 5. Hydrogen bonding A) is a common intermolecular attractive force in alkanes. B) requires at least one N-H, O-H, or F-H bond. C) can occur between a compound and water even if the compound cannot hydrogen bond with itself. D) is the weakest intermolecular attractive force. E) both B and C 6. Identify the atomic orbitals that up the C-H sigma bond in HCN. C H 7. In which molecule does the arrangement of valence electrons on the central atom have a linear geometry? ( hint: Draw the Lewis structures before deciding. ) 8. VSEPR theory predicts an identical shape for all of the following, except : (hint: draw the Lewis structures before deciding) 9. The following electron configuration represents _______. A) the ground state of boron. B) an excited state of boron. C) the ground state of nitrogen. D) the ground state of carbon. E) an excited state of carbon.
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