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Assign formal charges to each atom

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Assign formal charges to each atom in the attached file. Cross out the configurations that are not reasonable, and provide an explanation (eg large charge, incomplete octet, octet exceeded).

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Assign formal charges to each atom

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Organic Structures: Polarity and Electron-Dot Formulas

Please see the attachment for a better formatting of these questions.

1) Draw a structural formula for each of the following molecules. Which bonds are polar? Indicate the polarity by proper placement of the symbols d+ and d-.
a. CH3Cl
b. H2

2) Draw structural formulas for all possible isomers having the following molecular formulas:
C3H6O

3) Write electron-dot formulas for the following ionic species. Show the formal charges on individual atoms in each ion.

bisulfite ion, HSO3¯
ammonium ion, NH4+
carbonate ion, CO32¯
carbon dioxide, CO2
chlorate ion, ClO3¯
chlorite ion, ClO2¯

4) Fill in any electron pairs that are missing from the following formulas:

a.CH3NH2

b. CH3OCH3

O
"
c. CH3CNHCH3
(double bond) between the O and C
O
"
d. CH3CNHCH3

5) Use lines, dashed wedges, and solid wedges to show the geometry of CH4, CH2Cl2, and CF3OH.

6) Write a structural formula that corresponds to the molecular formula C6H12O and is:
- Acyclic
- Carbocyclic
- Heterocyclic

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