Multiple Choice
Which of the following is the correct chemical formula for the acetate polyatomic ion?
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3. Chemical Reactions
Polyatomic Ions
Multiple Choice
Which of the following is the correct chemical formula for the sulfite ion?
A
S_2O_3^{2-}
B
SO_3^{2-}
C
HSO_3^{-}
D
SO_4^{2-}
Verified step by step guidance1
Understand that the sulfite ion is a polyatomic ion composed of sulfur and oxygen atoms with a specific charge.
Recall the common polyatomic ions involving sulfur and oxygen: sulfite, sulfate, thiosulfate, and bisulfite (hydrogen sulfite).
Identify the sulfite ion as having the formula \(SO_3^{2-}\), which means it contains one sulfur atom, three oxygen atoms, and carries a 2- negative charge.
Compare the given options: \(S_2O_3^{2-}\) is thiosulfate, \(HSO_3^{-}\) is bisulfite (hydrogen sulfite), and \(SO_4^{2-}\) is sulfate.
Conclude that the correct formula for the sulfite ion is \(SO_3^{2-}\) based on the number of oxygen atoms and the charge.
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