Chapter_7 Oct_08 Lecture_21.pptx

Polarity of a molecule the polarity of a molecule

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Polarity of a molecule The polarity of a molecule made up of three or more atoms depends on: (1) the polarity of the individual bonds (2) the molecular geometry AB 2 → Carbon dioxide, CO 2 The bonds in CO 2 are polar but the molecule is nonpolar.
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Water, H 2 O The bonds in H 2 O are polar and the molecule is polar. Polarity of a molecule
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BF 3 The bonds in BF 3 are polar but the molecule is nonpolar. Polarity of a molecule
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The bonds in CCl 4 are polar but the molecule is nonpolar . Polarity of a molecule
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Dipole moments can be used to distinguish between structural isomers . trans- dichloroethylene nonpolar cis- dichloroethylene polar Polarity of a molecule
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Practice Bent BCl 3 O 3 E.D. geometry Trigonal planar Molecular Geometry Shape Trigonal planar Polar Nonpolar
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Bent Trigonal pyramidal Tetrahedral C Cl Cl Cl Cl CCl 4 NH 3 N H H H H 2 O O H H E.D. geometry tetrahedral Molecular Geometry Shape Practice Polar Nonpolar Polar
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Molecular Geometry T-shaped Seesaw Linear E.D. geometry Trigonal bipyramidal Trigonal bipyramidal Molecular Geometry Shape Polar Nonpolar Polar Nonpolar
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Molecular Geometry Square pyramidal Square planar T-shaped Linear Octahedral E.D. geometry: octahedral Polar Nonpolar Nonpolar Polar Nonpolar
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  • Fall '16
  • hawk
  • Atom, Molecule, trigonal bipyramidal, Molecular Geometry and Polarity

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