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The Mechanism for the Reaction 2H2O2(aq) 2H2O

question 51

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The mechanism for the reaction 2H2O2(aq) 2H2O( The mechanism for the reaction 2H<sub>2</sub>O<sub>2</sub>(aq) <font face= symbol ></font> 2H<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) <font face= symbol ></font> 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) <font face= symbol ></font> H<sub>2</sub>O( ) + O<sub>2</sub>(g) + I<sup>-</sup>(aq) (fast) What is the molecularity of the rate-determining step? A) zeromolecular B) unimolecular C) bimolecular D) termolecular E) More information is needed to answer this question. ) + O2(g) in the presence of I-(aq) is proposed to be: Step 1: H2O2(aq) + I-(aq) H2O( The mechanism for the reaction 2H<sub>2</sub>O<sub>2</sub>(aq) <font face= symbol ></font> 2H<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) <font face= symbol ></font> 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) <font face= symbol ></font> H<sub>2</sub>O( ) + O<sub>2</sub>(g) + I<sup>-</sup>(aq) (fast) What is the molecularity of the rate-determining step? A) zeromolecular B) unimolecular C) bimolecular D) termolecular E) More information is needed to answer this question. ) + OI-(aq)
(slow)
Step 2: H2O2(aq) + OI-(aq) H2O( The mechanism for the reaction 2H<sub>2</sub>O<sub>2</sub>(aq) <font face= symbol ></font> 2H<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) <font face= symbol ></font> 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) <font face= symbol ></font> H<sub>2</sub>O( ) + O<sub>2</sub>(g) + I<sup>-</sup>(aq) (fast) What is the molecularity of the rate-determining step? A) zeromolecular B) unimolecular C) bimolecular D) termolecular E) More information is needed to answer this question. ) + O2(g) + I-(aq)
(fast)
What is the molecularity of the rate-determining step?

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