The following questions refer to the reaction 2A₂ + B₂ → 2C. The mechanism below has been proposed:
-The reaction 2H₂O₂ → 2H₂O + O₂ has the following mechanism:
H₂O₂ + I^- → H₂O + IO^-H₂O + IO^- → H₂O + O₂ + I^-What is the catalyst in the reaction?

Question

The following questions refer to the reaction 2A₂ + B₂ → 2C. The mechanism below has been proposed:

The following questions refer to the reaction 2A<sub>2</sub> + B<sub>2</sub> → 2C. The mechanism below has been proposed: -The reaction 2H<sub>2</sub>O<sub>2</sub> → 2H<sub>2</sub>O + O<sub>2</sub> has the following mechanism: H<sub>2</sub>O<sub>2</sub> + I<sup>-</sup> → H<sub>2</sub>O + IO<sup>-</sup><sup> </sup>H<sub>2</sub>O + IO<sup>-</sup> → H<sub>2</sub>O + O<sub>2</sub> + I<sup>-</sup><sup> </sup>What is the catalyst in the reaction? A) IO<sup>-</sup> B) H<sub>2</sub>O C) I<sup>-</sup> D) H<sub>2</sub>O<sub>2</sub>

-The reaction 2H₂O₂ → 2H₂O + O₂ has the following mechanism:
H₂O₂ + I^- → H₂O + IO^-H₂O + IO^- → H₂O + O₂ + I^-What is the catalyst in the reaction?

Quizplus · Accepted Answer

The catalyst is the substance that is regenerated at the end of the reaction mechanism, which in this case is $I^-$. It appears in the first step and is regenerated in the last step, facilitating the overall reaction without being consumed.

The Following Questions Refer to the Reaction 2A2 + B2

The Following Questions Refer to the Reaction 2A₂ + B₂