Answer the following questions using principles of chemical bonding and molecular structure. (a) Consider the carbon dioxide molecule, CO2, and the carbonate ion, CO32– (i) Draw the complete Lewis electron-dot structure for each species. (ii) Account for the fact at the carbon-oxygen bond length in CO32– is greater than the carbon-oxygen bond length in CO2.
1) Answer the following questions using principles of
(a) Consider the carbon dioxide molecule, CO2, and the carbonate ion, CO32–
(i) Draw the complete Lewis electron-dot structure for each species.
(ii) Account for the fact at the carbon-oxygen bond length in CO32– is greater than the carbon-oxygen bond length in CO2.
2) Explain the following in terms of the electronic structure and bonding of the compounds considered.
(a) Liquid oxygen is attracted to a strong magnet, whereas liquid nitrogen is not.
(b) The SO2 molecule has a dipole moment, whereas the CO2 molecule has no dipole moment. Include the Lewis (electron-dot) structures in your explanation.
3) Answer the following questions using principles of chemical bonding and molecular structure:
(a) Consider the molecules CF4 and SF4.
(i) Draw the complete Lewis electron-dot structure for each molecule.
(ii) In terms of molecular geometry, account for the fact that the CF4 molecule is nonpolar, whereas the SF4 molecule is polar.
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