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29 May, 14:46

The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCl3) and chlorine. Cl2 ⇌ 2Cl (fast, reversible) Cl + CHCl3 → HCl + CCl3 (slow) Cl + CCl3 → CCl4 (fast) What rate law does this mechanism predict? (Choose from the list below and enter your answers in alphabetical order, e. g. ABC).

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  1. 29 May, 15:00
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    The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCl3) and chlorine. Cl2 ⇌ 2Cl (fast, reversible) Cl + CHCl3 → HCl + CCl3 (slow) Cl + CCl3 → CCl4 (fast) What rate law does this mechanism predict? A) kG) [CHCl3]1/2M) [CCl3]2B) [Cl2]H) [CCl3]1/2N) [HCl]2C) [Cl]I) [HCl]1/2O) [Cl2]2D) [CHCl3]J) [Cl2]1/2P) [Cl]2E) [CCl3]K) [Cl]1/2 F) [HCl]L) [CHCl3]2

    The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCl3) and chlorine. Cl2 ⇌ 2Cl (fast, reversible) Cl + CHCl3 → HCl + CCl3 (slow) Cl + CCl3 → CCl4 (fast) What rate law does this mechanism predict? A) kG) [CHCl3]1/2M) [CCl3]2B) [Cl2]H) [CCl3]1/2N) [HCl]2C) [Cl]I) [HCl]1/2O) [Cl2]2D) [CHCl3]J) [Cl2]1/2P) [Cl]2E) [CCl3]K) [Cl]1/2 F) [HCl]L) [CHCl3]2

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    Asked Oct 30, 2019

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    The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCl3) and chlorine.

    Cl2 ⇌ 2Cl (fast, reversible)

    Cl + CHCl3 → HCl + CCl3 (slow)

    Cl + CCl3 → CCl4 (fast)

    What rate law does this mechanism predict?

    A) k G) [CHCl3]1/2 M) [CCl3]2

    B) [Cl2] H) [CCl3]1/2 N) [HCl]2

    C) [Cl] I) [HCl]1/2 O) [Cl2]2

    D) [CHCl3] J) [Cl2]1/2 P) [Cl]2

    E) [CCl3] K) [Cl]1/2

    F) [HCl] L) [CHCl3]2

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    Expert Answer

    Step 1

    The three step mechanism of the given reaction is,

    CL2 dissociate to give chorine a fast and reverse reaction.

    React with CHCL3 to give HCL and CCL3 a slow reaction

    React with CL to give CCL4.

    Step 2

    Add equation (1), (2), and (3) to get the overall reaction.

    The overall reaction is expressed as,

    CL2 dissociate to give chorine a fast and reverse reaction.

    React with CHCL3 to give HCL and CCL3 a slow reaction

    React with CL to give CCL4.

    Step 3

    The chlorine atom produced in equation (1) is consumed in equation (3) and CCl3 a molecule is produced in equation (2) is consumed in equation (3).

    CL react with CHCL3 to give a reversible reaction of HCL and CCL4.
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