For a reaction 2H2O2I−−−−−−−−−−→alkaline medium – InterviewSolution

1.	For a reaction 2H2O2I−−−−−−−−−−→alkaline medium2H2O+O2 The proposed mechanism is given below: (1) H2O2+I−→H2O+IO−(slow) (2) H2O2+IO−→H2O+I−+O2(fast) (i) Write rate law for the reaction. (ii) Write the overall order of the reaction. (iii) Out of steps (1) and (2), which one is the rate determining step?
Answer» For a reaction $2 H_{2} O_{2} I^{-} - -------- \to alkaline medium 2 H_{2} O + O_{2}$ The proposed mechanism is given below: (1) $H_{2} O_{2} + I^{-} \to H_{2} O + I O^{-} (s l o w)$ (2) $H_{2} O_{2} + I O^{-} \to H_{2} O + I^{-} + O_{2} (f a s t)$ (i) Write rate law for the reaction. (ii) Write the overall order of the reaction. (iii) Out of steps (1) and (2), which one is the rate determining step?

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