Open Question
Name the following polyatomic ions:c. HSO₃⁻
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3. Ionic Compounds
Polyatomic Ions
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The formula for the sulfate ion, SO42–. If the term of 'thio' means the replacement of an oxygen by a sulfur, what is the formula for the thiosulfate ion?
A
SO43-
B
SO33-
C
SO32-
D
S2O32-
E
S2O3-
Verified step by step guidance1
Understand the term 'thio': In chemistry, 'thio' indicates the replacement of an oxygen atom with a sulfur atom in a compound.
Start with the sulfate ion formula: The sulfate ion is SO4^{2-}, which consists of one sulfur atom and four oxygen atoms with a 2- charge.
Apply the 'thio' concept: Replace one oxygen atom in the sulfate ion with a sulfur atom. This changes the formula from SO4^{2-} to S2O3^{2-}.
Check the charge: The charge of the thiosulfate ion remains the same as the sulfate ion, which is 2-. Therefore, the formula is S2O3^{2-}.
Verify the formula: Ensure that the formula S2O3^{2-} correctly represents the thiosulfate ion, with two sulfur atoms, three oxygen atoms, and a 2- charge.
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