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The Mechanism for the Reaction 2 H2O2(aq) \to 2 H2O( )+ O2(g)in the Presence of I-(aq)is Proposed

question 134

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The mechanism for the reaction 2 H2O2(aq) \to 2 H2O(  The mechanism for the reaction 2 H<sub>2</sub>O<sub>2</sub>(aq)  \to  2 H<sub>2</sub>O(   ) + O<sub>2</sub>(g) in the presence of I<sup>-</sup>(aq) is proposed to be Step 1: H<sub>2</sub>O<sub>2</sub>(aq) + I<sup>-</sup>(aq)  \to  H<sub>2</sub>O(   ) + OI<sup>-</sup>(aq) (slow)  Step 2: H<sub>2</sub>O<sub>2</sub>(aq) + OI<sup>-</sup>(aq)  \to  H<sub>2</sub>O(   ) + O<sub>2</sub>(g) + I<sup>-</sup>(aq) (fast)  What is the rate law for the overall reaction? A) k[H<sub>2</sub>O<sub>2</sub>] B) k[H<sub>2</sub>O<sub>2</sub>]<sup>2</sup> C) k[H<sub>2</sub>O<sub>2</sub>][I<sup>-</sup>] D) k[H<sub>2</sub>O<sub>2</sub>][OI<sup>-</sup>] E) k[H<sub>2</sub>O<sub>2</sub>]<sup>2</sup>[I<sup>-</sup>]/[H<sub>2</sub>O] ) + O2(g) in the presence of I-(aq) is proposed to be Step 1: H2O2(aq) + I-(aq) \to H2O(  The mechanism for the reaction 2 H<sub>2</sub>O<sub>2</sub>(aq)  \to  2 H<sub>2</sub>O(   ) + O<sub>2</sub>(g) in the presence of I<sup>-</sup>(aq) is proposed to be Step 1: H<sub>2</sub>O<sub>2</sub>(aq) + I<sup>-</sup>(aq)  \to  H<sub>2</sub>O(   ) + OI<sup>-</sup>(aq) (slow)  Step 2: H<sub>2</sub>O<sub>2</sub>(aq) + OI<sup>-</sup>(aq)  \to  H<sub>2</sub>O(   ) + O<sub>2</sub>(g) + I<sup>-</sup>(aq) (fast)  What is the rate law for the overall reaction? A) k[H<sub>2</sub>O<sub>2</sub>] B) k[H<sub>2</sub>O<sub>2</sub>]<sup>2</sup> C) k[H<sub>2</sub>O<sub>2</sub>][I<sup>-</sup>] D) k[H<sub>2</sub>O<sub>2</sub>][OI<sup>-</sup>] E) k[H<sub>2</sub>O<sub>2</sub>]<sup>2</sup>[I<sup>-</sup>]/[H<sub>2</sub>O] ) + OI-(aq) (slow)
Step 2: H2O2(aq) + OI-(aq) \to H2O(  The mechanism for the reaction 2 H<sub>2</sub>O<sub>2</sub>(aq)  \to  2 H<sub>2</sub>O(   ) + O<sub>2</sub>(g) in the presence of I<sup>-</sup>(aq) is proposed to be Step 1: H<sub>2</sub>O<sub>2</sub>(aq) + I<sup>-</sup>(aq)  \to  H<sub>2</sub>O(   ) + OI<sup>-</sup>(aq) (slow)  Step 2: H<sub>2</sub>O<sub>2</sub>(aq) + OI<sup>-</sup>(aq)  \to  H<sub>2</sub>O(   ) + O<sub>2</sub>(g) + I<sup>-</sup>(aq) (fast)  What is the rate law for the overall reaction? A) k[H<sub>2</sub>O<sub>2</sub>] B) k[H<sub>2</sub>O<sub>2</sub>]<sup>2</sup> C) k[H<sub>2</sub>O<sub>2</sub>][I<sup>-</sup>] D) k[H<sub>2</sub>O<sub>2</sub>][OI<sup>-</sup>] E) k[H<sub>2</sub>O<sub>2</sub>]<sup>2</sup>[I<sup>-</sup>]/[H<sub>2</sub>O] ) + O2(g) + I-(aq) (fast)
What is the rate law for the overall reaction?


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