QQuestionChemistry
QuestionChemistry
Which of the following is the correct name for the polyatomic ion ClO−3?
a) perchlorate
b) chlorate
c) chlorite
d) hypochlorite
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Answer
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Step 1:I'll solve this step by step:
Step 2:: Understand the Nomenclature of Chlorine Oxyanions
The naming of chlorine oxyanions depends on the number of oxygen atoms in the ion. The suffixes follow a specific pattern: - Hypochlorite: Lowest number of oxygen atoms - Chlorite: Intermediate number of oxygen atoms - Chlorate: Higher number of oxygen atoms - Perchlorate: Highest number of oxygen atoms
Step 3:: Analyze the Ion's Composition
The given ion is $$ClO_{3}^{-}$$, which means:
- One chlorine atom (Cl) - Three oxygen atoms (O) - Negative charge of 1
Step 4:: Determine the Correct Name
By counting the oxygen atoms and comparing to the standard naming convention, $$ClO_{3}^{-}$$ corresponds to chlorate.
Final Answer
Explanation: - Hypochlorite (ClO^{-}) has 1 oxygen atom - Chlorite (ClO_{2}^{-}) has 2 oxygen atoms - Chlorate (ClO_{3}^{-}) has 3 oxygen atoms - Perchlorate (ClO_{4}^{-}) has 4 oxygen atoms The given ion ClO_{3}^{-} matches the chlorate ion.
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