3301 092 Homework 2 key

3301 092 Homework 2 key - that may be present. Describe the...

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Chemistry 3301 - Descriptive Inorganic Chemistry Spring Semester 2009 Homework 2 (1) Draw Lewis dot structures, with formal charges, for the following molecules or ions. This includes drawing all reasonable resonance forms, and determining their relative stabilities, i.e. which will contribute the most to the total description of the species. (a) SOCl 2 S Cl Cl O S Cl Cl O 1+ 1- hard to distinguish which structure is lowest in energy (b) NCO - anion N C O N C O 1- 1- lowest energy (c) N 2 O 3 N N O O O N N O O O 1+ 1- 1- 1+ both structures are equal in energy
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Chemistry 3301 - Descriptive Inorganic Chemistry Spring Semester 2009 Homework 2 (2) Use VSEPR theory to determine the geometries of the following species. Draw each species, showing the stereochemistry of the atoms and any lone pairs
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Unformatted text preview: that may be present. Describe the geometry of the groups of electrons and the geometry of the atoms around the central atom (i.e. octahedral, trigonal planar, etc.). Indicate any deviations from ideal bond angles. (a) SOF 4 S F F F F O O S F axial > 90 o O S F equatorial > 120 o F equatorial S F equatorial < 120 o Geometry of the groups of electrons: Trigonal bipyramid Geometry of the atoms: Trigonal bipyramid (b) ClF 4 + Cl F F F F F axial Cl F axial < 180 o F equatorial Cl F equatorial < 120 o Geometry of the groups of electrons: Trigonal bipyramid Geometry of the atoms: See-saw...
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3301 092 Homework 2 key - that may be present. Describe the...

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