1. Br Acetone Nal NaBr 2. 1.1 eq. NaOEt OEt ELOH OEt 2. cold aqueous acid g= Nucleophilic subs at carbonyl(acyl Xfer) a = Electrophilic addition b = E2 Elimination d = Sy2 Nucleophilic substitution e= Electrophilic aromatic substitution h = Conjugate (nucleophilic) addn c = Syl Nucleophilic substitution f= Carbonyl nucleophilic addn Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a - i for your answers. 1. 2.

Chemistry
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Chapter1: Chemical Foundations
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### Reaction Identification Exercise

#### Reaction 1:

Reactants:  
- Benzyl bromide  
- Sodium iodide (NaI)  
- Solvent: Acetone  

Products:  
- Benzyl iodide  
- Sodium bromide (NaBr)  

#### Reaction 2:

Reactants:  
- Ethyl acetate  
- 1 equivalent of sodium ethoxide (NaOEt)  
- Cold aqueous acid  

Product:  
- Ethanol  

#### Possible Mechanisms:

- **a** = Electrophilic addition  
- **b** = E2 Elimination  
- **c** = S<sub>N</sub>1 Nucleophilic substitution  
- **d** = S<sub>N</sub>2 Nucleophilic substitution  
- **e** = Electrophilic aromatic substitution  
- **f** = Carbonyl nucleophilic addition  
- **g** = Nucleophilic substitution at carbonyl (acyl transfer)  
- **h** = Conjugate (nucleophilic) addition  

#### Instructions:

Identify the mechanism for each reaction from the list above. Use the corresponding letter (a - h) for your answers.

1. ____
2. ____
Transcribed Image Text:### Reaction Identification Exercise #### Reaction 1: Reactants: - Benzyl bromide - Sodium iodide (NaI) - Solvent: Acetone Products: - Benzyl iodide - Sodium bromide (NaBr) #### Reaction 2: Reactants: - Ethyl acetate - 1 equivalent of sodium ethoxide (NaOEt) - Cold aqueous acid Product: - Ethanol #### Possible Mechanisms: - **a** = Electrophilic addition - **b** = E2 Elimination - **c** = S<sub>N</sub>1 Nucleophilic substitution - **d** = S<sub>N</sub>2 Nucleophilic substitution - **e** = Electrophilic aromatic substitution - **f** = Carbonyl nucleophilic addition - **g** = Nucleophilic substitution at carbonyl (acyl transfer) - **h** = Conjugate (nucleophilic) addition #### Instructions: Identify the mechanism for each reaction from the list above. Use the corresponding letter (a - h) for your answers. 1. ____ 2. ____
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