1e03-tut6-a

1e03-tut6-a - CHEM 1E03 TUTORIAL # 6 Solutions _ 1. For the...

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CHEM 1E03 TUTORIAL # 6 Solutions _____________________________________________________________________ Page 1 of 4 1. For the following anions: SO 3 2 , CO 3 2 , NO 3 , ClO 3 , and ClO 2 a) Draw Lewis structures and resonance forms b) What are the average bond orders for the central-atom-to-oxygen bonds in these species? c) What is the average formal charge on the oxygen atoms in each of these species? d) Indicate whether the species is an exception to the octet rule (i.e. it has more than an octet of electrons around one of the atoms). e) Give the VSEPR AB n E m classes f) Predict the shapes of the anion. Note that the figures used to illustrate the shapes in point f) do not indicate the bond orders and the formal charges. SO 3 2 a) 26 valence electrons S O O O S O O O S O O O b) For SO 3 2 , the average bond order is 4/3. c) The average formal charge on oxygen in SO 3 2 is -2/3. d) The charge-minimized resonance structures do not follow the octet rule. e) AB 3 E f) triangular pyramidal S O O O CO 3 2 a) 24 valence electrons O C O O O C O O O C O O b) For CO 3 2 , the average bond order is 4/3.
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1e03-tut6-a - CHEM 1E03 TUTORIAL # 6 Solutions _ 1. For the...

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