1. OCl^-: In this anion, oxygen is more electronegative than chlorine and will take a charge of -2. Therefore, the oxidation number of chlorine in OCl^- is +1.
2. ClO2^-: In this anion, oxygen is more electronegative than chlorine and will take a charge of -2. Therefore, the sum of the oxidation numbers must equal -1. Since there are 2 oxygen atoms with a total charge of -4, the oxidation number of chlorine in ClO2^- is +3.
3. ClO3^-: In this anion, oxygen is more electronegative than chlorine and will take a charge of -2. Therefore, the sum of the oxidation numbers must equal -1. Since there are 3 oxygen atoms with a total charge of -6, the oxidation number of chlorine in ClO3^- is +5.
Assign oxyidation number for chlorine in each of the following anions,OCl^-,ClO2^- and ClO3^-
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