Consider the following elementary steps of a reaction mechanism:                      Step 1:  HBr + O2  →  HOOBr                                (slow)                     Step 2:  HBr + HOOBr  →  2HOBr                          (fast)                     Step 3:  2HBr + 2HOBr  →  2H2O + 2Br2                 (fast) Which of the following lists ALL the intermediates of the reaction?   Question 22 options:   1)  O2   2)  both HBr and  HOOBr   3)  both HOOBr and HOBr   4)  HOOBr   5)  There is no intermediate for this reaction.

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