Suppose the formation of nitrosyl chloride proceeds by the following mechanism: step elementary reaction rate constant NO(g) + Cl2(g) NOCI2(g) k1 1 2 |NOCI2(g) + N0(g) → 2 NOC1(g) k2 Suppose also k,»k,. That is, the first step is much faster than the second. Write the balanced chemical equation for the overall chemical reaction: Write the ? experimentally- observable rate law for the overall chemical reaction. rate = k | Note: your answer should not contain the concentrations of any intermediates. Express the rate constant k for the overall chemical reaction in terms of k1, k2, and (if necessary) the rate constants k-1 and k = 0 k-2 for the reverse of the two elementary reactions in the mechanism. Dlo X

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### Formation of Nitrosyl Chloride

Consider the formation of nitrosyl chloride via the following reaction mechanism:

| **Step** | **Elementary Reaction**         | **Rate Constant** |
|----------|---------------------------------|-------------------|
| 1        | NO(g) + Cl₂(g) → NOCl₂(g)       | k₁                |
| 2        | NOCl₂(g) + NO(g) → 2 NOCl(g)    | k₂                |

It is also given that \( k_1 \gg k_2 \). This implies that the first step is much faster than the second step.

#### Questions:

1. **Write the balanced chemical equation for the overall chemical reaction:**

    ```
    [Input Box for Answer]
    ```

2. **Write the experimentally-observable rate law for the overall chemical reaction.**
   
    **Note:** Your answer should *not* contain the concentrations of any intermediates.
   
    ```
    rate = k [Input Box for Answer]
    ```

3. **Express the rate constant \( k \) for the overall chemical reaction in terms of \( k_1 \), \( k_2 \), and (if necessary) the rate constants \( k_{-1} \) and \( k_{-2} \) for the reverse of the two elementary reactions in the mechanism.**

    ```
    k = [Input Box for Answer]
    ```

----------

This structure provides a clear and concise explanation by presenting the chemical reactions, rate constants, and a step-by-step guide to formulating the balanced chemical equations and rate laws. Students are prompted to think critically about the given information and derive the necessary equations themselves.
Transcribed Image Text:### Formation of Nitrosyl Chloride Consider the formation of nitrosyl chloride via the following reaction mechanism: | **Step** | **Elementary Reaction** | **Rate Constant** | |----------|---------------------------------|-------------------| | 1 | NO(g) + Cl₂(g) → NOCl₂(g) | k₁ | | 2 | NOCl₂(g) + NO(g) → 2 NOCl(g) | k₂ | It is also given that \( k_1 \gg k_2 \). This implies that the first step is much faster than the second step. #### Questions: 1. **Write the balanced chemical equation for the overall chemical reaction:** ``` [Input Box for Answer] ``` 2. **Write the experimentally-observable rate law for the overall chemical reaction.** **Note:** Your answer should *not* contain the concentrations of any intermediates. ``` rate = k [Input Box for Answer] ``` 3. **Express the rate constant \( k \) for the overall chemical reaction in terms of \( k_1 \), \( k_2 \), and (if necessary) the rate constants \( k_{-1} \) and \( k_{-2} \) for the reverse of the two elementary reactions in the mechanism.** ``` k = [Input Box for Answer] ``` ---------- This structure provides a clear and concise explanation by presenting the chemical reactions, rate constants, and a step-by-step guide to formulating the balanced chemical equations and rate laws. Students are prompted to think critically about the given information and derive the necessary equations themselves.
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