Consider the following substitution reaction, where X represents an alkyl bromide: X substitution product of the four alkyl bromides below, one will not react. The other three will react at varying rates. Put the compounds in order based on which will react fastest in the above reaction. Fastest reaction: e Br (1) CH₂OH (2) Br H3C-Br (3) :slowest reaction Br (4) Won't react:

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**Substitution Reaction with Alkyl Bromides**

Consider the following substitution reaction, where X represents an alkyl bromide:

\[ \text{X} + \text{CH}_3\text{OH} \rightarrow \text{substitution product} \]

**Objective:**

Of the four alkyl bromides below, one will not react. The other three will react at varying rates. Put the compounds in order based on which will react fastest in the above reaction.

**Alkyl Bromides:**

1. ![Image of an alkyl bromide] (Isobutyl bromide) labeled as (1)
2. ![Image of another alkyl bromide] (Sec-butyl bromide) labeled as (2)
3. ![Image of another alkyl bromide] (Methyl bromide) labeled as (3)
4. ![Image of another alkyl bromide] (Cyclohexyl bromide) labeled as (4)

**Your Task:**

Determine the order of reaction rates from fastest to slowest. Also, identify the compound that will not react.

\[ \text{Fastest reaction:} \quad \_\_\_\_\_\_ > \_\_\_\_\_\_ > \_\_\_\_\_\_ \quad \text{Slowest reaction} \]
\[ \text{Won’t react:} \quad \_\_\_\_\_\_ \]

**Notes for Educators:**

To guide students, remind them to consider the structure of each alkyl bromide and the typical reactivity of different types of carbon compounds (primary, secondary, tertiary, and methyl).

**Further Explanation:**

- **Isobutyl bromide (Structure 1)** is a primary alkyl halide.
- **Sec-butyl bromide (Structure 2)** is a secondary alkyl halide.
- **Methyl bromide (Structure 3)** is a methyl halide.
- **Cyclohexyl bromide (Structure 4)** is a secondary alkyl halide with a ring structure.

Use these classifications to determine which type of alkyl halide reacts the fastest in a substitution reaction and which one might not react at all. Generally, primary halides react faster than secondary, and methyl halides often react differently due to their small size and high reactivity. Cyclohexyl bromide, being a bulky secondary halide, might react slower or not at
Transcribed Image Text:**Substitution Reaction with Alkyl Bromides** Consider the following substitution reaction, where X represents an alkyl bromide: \[ \text{X} + \text{CH}_3\text{OH} \rightarrow \text{substitution product} \] **Objective:** Of the four alkyl bromides below, one will not react. The other three will react at varying rates. Put the compounds in order based on which will react fastest in the above reaction. **Alkyl Bromides:** 1. ![Image of an alkyl bromide] (Isobutyl bromide) labeled as (1) 2. ![Image of another alkyl bromide] (Sec-butyl bromide) labeled as (2) 3. ![Image of another alkyl bromide] (Methyl bromide) labeled as (3) 4. ![Image of another alkyl bromide] (Cyclohexyl bromide) labeled as (4) **Your Task:** Determine the order of reaction rates from fastest to slowest. Also, identify the compound that will not react. \[ \text{Fastest reaction:} \quad \_\_\_\_\_\_ > \_\_\_\_\_\_ > \_\_\_\_\_\_ \quad \text{Slowest reaction} \] \[ \text{Won’t react:} \quad \_\_\_\_\_\_ \] **Notes for Educators:** To guide students, remind them to consider the structure of each alkyl bromide and the typical reactivity of different types of carbon compounds (primary, secondary, tertiary, and methyl). **Further Explanation:** - **Isobutyl bromide (Structure 1)** is a primary alkyl halide. - **Sec-butyl bromide (Structure 2)** is a secondary alkyl halide. - **Methyl bromide (Structure 3)** is a methyl halide. - **Cyclohexyl bromide (Structure 4)** is a secondary alkyl halide with a ring structure. Use these classifications to determine which type of alkyl halide reacts the fastest in a substitution reaction and which one might not react at all. Generally, primary halides react faster than secondary, and methyl halides often react differently due to their small size and high reactivity. Cyclohexyl bromide, being a bulky secondary halide, might react slower or not at
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