What is the oxidation number of chlorine in ClO4-?
Understand the Problem
The question is asking for the oxidation number of chlorine in the chlorate ion (ClO4-). We will calculate this based on the rules of oxidation states.
Answer
+7
The oxidation number of chlorine in ClO4- is +7.
Answer for screen readers
The oxidation number of chlorine in ClO4- is +7.
More Information
Chlorine has an unusually high oxidation state in the perchlorate ion, reflecting its ability to form multiple bonds with oxygen.
Tips
A common mistake is overlooking the charge of the ion when calculating the oxidation state. Always remember to factor in the charge.
Sources
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