Exhibit 18-3 the Following Question(s) Pertain to the Reaction of Propene

question 25

Multiple Choice

Exhibit 18-3 The following question(s) pertain to the reaction of propene (C3CHCH2) with hydrochloric acid. $\mathrm{HCl}+\mathrm{C}_{3} \mathrm{CHCH}_{2} \leftrightarrows \mathrm{CH}_{3} \mathrm{CHClCH}_{3}$ A proposed mechanism for this chemical reaction is $\begin{array}{ll}\mathrm{HCl}+\mathrm{HCl} \leftrightarrows \mathrm{H}_{2} \mathrm{Cl}_{2}& \text { (fast, equilibrium) } \\\mathrm{HCl}+\mathrm{C}_{3} \mathrm{CHCH}_{2} \leftrightarrows \mathrm{CH}_{3} \mathrm{CHClCH}_{3}{ }^{*} & \text { (fast, equilibrium) } \\\mathrm{CH}_{3} \mathrm{CHClCH}_{3}{ }^{*}+\mathrm{H}_{2} \mathrm{Cl}_{2} \rightarrow \mathrm{CH}_{3} \mathrm{CHClCH}_{3} \rightarrow 2 \mathrm{HCl} & \text { (slow) }\end{array}$

Refer to Exhibit 18-3. What would be the predicted rate law if the second step were the slow step? 

• A)
• \(\frac{\mathrm{k}_{1}}{\mathrm{k}_{-1}} \frac{\mathrm{k}_{2}}{\mathrm{k}_{-2}} \mathrm{k}_{3}[\mathrm{HCl}]^{3}\left[\mathrm{CH}_{3} \mathrm{CHCH}_{2}\right]\)
• B) k₂[H₂Cl₂][CH₃CHClCH₃^*]
• C) k₂[HCl][CH₃CHCH₂]
• D) none of the above

---

Definitions:

Stereotyping

A cognitive process where individuals generalize attributes, characteristics, and behaviors to members of a particular group.

Prejudice

A preconceived opinion that is not based on reason or actual experience.

Hindsight Bias

The inclination to believe, after an event has occurred, that one would have predicted or expected the outcome.

Stereotype

A widely held but oversimplified and generalized belief about a particular category of people or things.