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Unformatted text preview: polar covalent 2. Draw the dipoles and partial charges ( + or -) for the following molecules. H CH 3 H H Cl H H H CH 3 H H HO H 3 C CH 3 N CH 3 CH 3 H 3 C H H H H no dipole N trigonal pyramidal has a net dipole 3. Vitamin D 2 , or cholecalciferol, is an important D vitamin with the structure shown below. a. Which of the bonds indicated is strongest? Explain. HO A B C The bond found in bond A is the strongest bond. The hybrid orbitals that make up this bond are two sp 2 orbitals. They contain more total s character than the orbitals forming bond B (two sp 3 orbitals) or the orbitals that form bond C (one sp 3 and one sp 2 ). Bonds having more s character are shorter and stronger....
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This note was uploaded on 11/18/2010 for the course CHEM 51LA taught by Professor Staff during the Fall '03 term at UC Irvine.
- Fall '03