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A proposed mechanism for the preparation of COBr2 from CO(g) and Br2 is: Br2 ⇄ 2 Br...

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Chemistry

A proposed mechanism for the preparation of COBr2from CO(g) and Br2 is:

Br2 ⇄ 2 Br (g) fast

Br(g) + CO (g) ⇄ COBr fast

COBr + Br2 → COBr2 + Br slow

The correct rate law for this mechanism is:

  • A.

    k [CO][Br2]

  • B.

    k [CO] / [Br2]1/2

  • C.

    k[Br2]

  • D.

    k [CO]2[Br2]

  • E.

    k [CO][Br2]3/2

Answer & Explanation Solved by verified expert
3.7 Ratings (588 Votes)
SolutionAs we know that the slow step is alwaysratedetermining Thus from step 3Rate k1    See Answer
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