1. 2. OH a = Proton transfer b = Lewis acid/base NaOH c = Radical chain substitution d = Radical chain addition H₂SO4 Na e = Electrophilic addition f = E1 Elimination g = E2 Elimination H₂O h = SN1 Nucleophilic substitution i = SN2 Nucleophilic substitution j = Electrophilic aromatic substitution Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a -j for your answers.

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### Organic Chemistry Reaction Mechanisms

In organic chemistry, understanding reaction mechanisms is key to predicting the products of chemical reactions. Below are two reaction schemes along with a list of potential mechanisms. Your task is to identify the correct mechanism for each reaction.

#### Reaction Schemes

1. **Reaction 1:**
   \[
   \text{Benzene} + \text{Cyclohexene} \xrightarrow{\ce{H2SO4}} \text{Biphenyl}
   \]

2. **Reaction 2:**
   \[
   \text{Phenol} + \text{NaOH} \rightarrow \text{Phenoxide Ion} + \text{Water}
   \]

#### List of Mechanisms

- **a = Proton transfer**
- **b = Lewis acid/base**
- **c = Radical chain substitution**
- **d = Radical chain addition**
- **e = Electrophilic addition**
- **f = E1 Elimination**
- **g = E2 Elimination**
- **h = S_N1 Nucleophilic substitution**
- **i = S_N2 Nucleophilic substitution**
- **j = Electrophilic aromatic substitution**

#### Instructions

Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters **a - j** for your answers.

- **Reaction 1:** ____
- **Reaction 2:** ____

#### Explanation of Graphs/Diagrams

The diagrams depict the reactants and products in each reaction.

1. **Reaction 1:**
   - The reactants are Benzene and Cyclohexene, which react in the presence of sulfuric acid (\(\ce{H2SO4}\)) to form Biphenyl.
  
2. **Reaction 2:**
   - The reactants are Phenol and Sodium Hydroxide (NaOH). The reaction yields a Phenoxide Ion and Water (\(\ce{H2O}\)). 

### Conclusion

Understanding these mechanisms is crucial for predicting the course of reactions in organic chemistry. Here, you are tasked with determining the type of mechanism that applies to the given reactions.
Transcribed Image Text:### Organic Chemistry Reaction Mechanisms In organic chemistry, understanding reaction mechanisms is key to predicting the products of chemical reactions. Below are two reaction schemes along with a list of potential mechanisms. Your task is to identify the correct mechanism for each reaction. #### Reaction Schemes 1. **Reaction 1:** \[ \text{Benzene} + \text{Cyclohexene} \xrightarrow{\ce{H2SO4}} \text{Biphenyl} \] 2. **Reaction 2:** \[ \text{Phenol} + \text{NaOH} \rightarrow \text{Phenoxide Ion} + \text{Water} \] #### List of Mechanisms - **a = Proton transfer** - **b = Lewis acid/base** - **c = Radical chain substitution** - **d = Radical chain addition** - **e = Electrophilic addition** - **f = E1 Elimination** - **g = E2 Elimination** - **h = S_N1 Nucleophilic substitution** - **i = S_N2 Nucleophilic substitution** - **j = Electrophilic aromatic substitution** #### Instructions Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters **a - j** for your answers. - **Reaction 1:** ____ - **Reaction 2:** ____ #### Explanation of Graphs/Diagrams The diagrams depict the reactants and products in each reaction. 1. **Reaction 1:** - The reactants are Benzene and Cyclohexene, which react in the presence of sulfuric acid (\(\ce{H2SO4}\)) to form Biphenyl. 2. **Reaction 2:** - The reactants are Phenol and Sodium Hydroxide (NaOH). The reaction yields a Phenoxide Ion and Water (\(\ce{H2O}\)). ### Conclusion Understanding these mechanisms is crucial for predicting the course of reactions in organic chemistry. Here, you are tasked with determining the type of mechanism that applies to the given reactions.
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