Practice Problems 10

Practice Problems 10 - d ) . T e C l 5 Question 4 Consider...

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CHEMISTRY 1414 Spring 2011 Practice Problem Set 10 Question 1 For each of the following molecules, draw a valid Lewis structure, then use VSEPR to predict and draw the geometry. State explicitly what shape the molecule adopts with your drawing. a). SbF 5 b). ICl 3 c). PbFCl 3 d ) . S O C l 2 e). SeO 4 2- f ) . I O 3 1-
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g). XeF 2 h). HCN (C is the central atom) i). CO 3 2- j ) . K r F 4 k). IO 4 1- l ) . S O C l 2 m). SO 2 n ) . A s O 4 3-
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o). N 2 H 4 p ) . B e F 2 q). ICl 4 - r ) . B r F 3 s). BrF 5 t ) . B H 4 - Question 2 Calculate the energy of attraction of the ions in the following ionic compounds: a). CaF 2 b ) . K B r r Ca 2+ = 1.06 Å r F- = 1.33 Å r K+ = 1.33 Å r Br- = 1.14 Å c). AlH 3 r Al3+ = 0.57 Å r H- = 1.54 Å
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Question 3 For each of the following molecules, determine the direction of the net dipole moment. a). CS 2 b ) . C H 2 Cl 2 c). AsH 3
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Unformatted text preview: d ) . T e C l 5 Question 4 Consider a compound with a molecular formula PbX 2 . If the strength of a Pb Pb bond is 100 kJ/mol, and the strength of an X X bond is 133 kJ/mol, calculate the Pauling electronegativity of element X if the experimentally measured Pb X bond strength is 112.7 kJ/mol. Question 5 a) . Draw a molecular orbital energy diagram for the Si 2 molecule. Label all molecular orbitals correctly and calculate the bond order in this molecule. b) . Draw a molecular orbital energy diagram for the Te 2 molecule. Label all molecular orbitals correctly and calculate the bond order in this molecule....
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Practice Problems 10 - d ) . T e C l 5 Question 4 Consider...

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