CUET UGChemistryMCQ
Q4. The decomposition of H₂O₂ in alkaline medium, in presence of I⁻ ions occurs as follows: 2H₂O₂ (I⁻, alkaline mediuim) → 2H₂O + O₂ If the reaction occurs in the following two steps: Step 1: H₂O₂ + I⁻ Slow → H₂O + IO⁻ Step 2: H₂O₂ + IO⁻ Fast → H₂O + I⁻ + O₂ The correct rate law expression for the reaction is:

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