Which type of reaction occurs in this equation? 3 CIO raised to the negative A q power rightarrow CIO raised to the 3 minus power times A q plus 2 Cl raised to the negative A q power

In ClO⁻, oxygen is −2, so chlorine is +1. In the products, chlorine is +5 in ClO₃⁻ and −1 in Cl⁻: some chlorine is oxidized and some is reduced in the same reaction. That makes this a disproportionation reaction, choice C.

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