Multiple Choice
Which of the following best describes an oxyanion?
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- 1. Intro to General Chemistry3h 48m
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- 1. The Chemical World10m
3. Chemical Reactions
Polyatomic Ions
Multiple Choice
Which of the following is the correct chemical formula for the hydrogen sulfite ion?
A
SO_3^{2-}
B
HSO_4^-
C
HSO_3^-
D
SO_4^{2-}
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Verified step by step guidance1
Understand that the hydrogen sulfite ion is a polyatomic ion derived from sulfite (SO_3^{2-}) by adding one hydrogen ion (H^+).
Recall that adding a hydrogen ion to a polyatomic ion changes its formula by adding an H and reducing the negative charge by one.
Start with the sulfite ion, which is SO_3^{2-}, and add one hydrogen ion (H^+), resulting in HSO_3^-.
Verify that the charge on the hydrogen sulfite ion is -1, consistent with the addition of one H^+ to SO_3^{2-}.
Confirm that the correct formula for the hydrogen sulfite ion is HSO_3^- and not any other given options.
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