CH 301 Ch13 VSEPR examples 1v2 - Boron Trichloride, BCl3...

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Boron Trichloride, BCl 3 Valence e = 3 + (3x7) = 24 B Cl Cl Cl RHED = 3 TRIGONAL PLANAR POLAR covalent bonds; NON POLAR molecule RHED = Electronic geometry = lone pairs on B Molecular geometry = molecule
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Methane , CH 4 Valence e = 4 + (4x1) = 8 C H H H H RHED = Very slightly POLAR covalent bonds; NON POLAR molecule C H H H H REDRAW!! ALL ANGLES Electronic geometry = lone pairs on C Molecular geometry = molecule
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Ammonia , NH 3 Valence e = 5 + (3x1) = 8 POLAR covalent bonds; due to lone pair, POLAR molecule N H H H N H H H REDRAW!! lone pair needs more room: ALL HNH ANGLES ° RHED = Electronic geometry = Molecular geometry = molecule lone pair on N Due to lone pair,
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Freon 12 , CCl 2 F 2 Valence e = 4 + (4x7) = 32 POLAR covalent bonds; dipoles do not cancel: POLAR molecule C Cl Cl F F REDRAW!! C Cl F F Cl molecule dipoles do not cancel:
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A series of related molecules – which are polar? C Cl Cl Cl H C H H H H C H H Cl H C Cl H Cl H C Cl Cl Cl Cl A B C D E
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Chlorine trifluoride, ClF 3 Valence e = 7 + (3x7) = 28 Cl F F F POLAR covalent bonds; POLAR molecule F Cl F ANGLES: RHED = Electronic geometry = lone pairs on Cl Molecular geometry = molecule
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This note was uploaded on 04/03/2011 for the course CHEMISTRY 301 taught by Professor Mccord during the Spring '10 term at University of Texas at Austin.

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CH 301 Ch13 VSEPR examples 1v2 - Boron Trichloride, BCl3...

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