Practice Carbonate Ion (co3$^{2-}$) (3.6.1.1.1) - Module 3: Chemical Bonding & Structure

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6 sample questions

Question 1.
What is the formula for the carbonate ion?
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Think about the charge and the number of oxygen atoms.
Question 2.
How many resonance structures can be drawn for CO3 $^{2-}$ ?
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Each structure will have a different double bond among the oxygen atoms.
3Question 3.
What is the charge of the carbonate ion?
- -1
- -2
- -3
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Look at how many oxygen atoms are in the formula.
4Question 4.
True or False: The carbon-oxygen bonds in CO3 $^{2-}$ are all equal in length.
- True
- False
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Think about the resonance structures we discussed.
Question 5.
Given the resonance structures of the carbonate ion, describe how hybridization might influence its bond angles.
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Look at the number of bonds and how they affect the geometry.
Question 6.
If a molecule interacts with the carbonate ion forming a complex, how might that affect the resonance stability?
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Consider how other ions or molecules may share or affect electron density.

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