2H202 alkaline medium -2H20 - 02 the proposed mechanism is as given below - -1- H2O2 -1 - H2O-IO -slow- -2- H202 - 10 - H20-1-02 -fast- -i- Write rate law the reaction- -ii- Write the overall order of reaction- -iii- Out of steps -1- and -2- which one is rate determining step-

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2H202 alkaline medium *2H20 + 02 the proposed mechanism is as given below : (1) H2O2 +1 → H2O+IO (slow) (2) H202 + 10 + H20+1+02 (fast) (i) Write rate law for the reaction. (ii) Write the overall order of reaction. (iii) Out of steps (1) and (2), which one is rate determining step?

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2 H_{2} O_{2} I^{-} - -------- \to alkaline medium 2 H_{2} O + O_{2}

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(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)

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(ii) Write the overall order of the reaction.
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For a reaction

2 H_{2} O_{2} I^{-} - -------- \to alkaline medium 2 H_{2} O + O_{2}

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(1)

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2 N O + 2 H_{2} \to N_{2} + 2 H_{2} O

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each is

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