What is the oxidation number of Cl in ClO2?
Understand the Problem
The question is asking for the oxidation number of chlorine (Cl) in the compound ClO2 (chlorine dioxide). To solve this, we need to apply rules for determining oxidation states, knowing that oxygen typically has an oxidation state of -2.
Answer
+4
The oxidation number of Cl in ClO2 is +4
Answer for screen readers
The oxidation number of Cl in ClO2 is +4
More Information
The oxidation number of chlorine can vary widely depending on what other elements it is bonded to and the overall charge of the molecule or ion.
Tips
A common mistake is not considering the oxidation state of oxygen correctly. Always remember, in most compounds, oxygen has an oxidation state of -2.
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