The reaction,
`2C_2H_5Br + 2Na overset(dry ether)rarr C_2H_5-C_2H_5 + 2NaBr` is an example of :

Options

A. The Wurtz reaction
B. Sandmeyer's reaction
C. Aldol reaction
D. Williamson's reaction

Answer

To solve the question regarding the reaction:

\[ 2C_2H_5Br + 2Na \overset{\text{dry ether}}{\rightarrow} C_2H_5-C_2H_5 + 2NaBr \]

we need to identify the type of reaction it represents.

### Step-by-Step Solution:

1. **Identify the Reactants and Products**:
- The reactants are ethyl bromide (\(C_2H_5Br\)) and sodium (\(Na\)).
- The products are ethane (\(C_2H_5-C_2H_5\)) and sodium bromide (\(NaBr\)).

2. **Recognize the Reaction Conditions**:
- The reaction occurs in the presence of dry ether, which is a common solvent used in organic reactions.

3. **Understand the Mechanism**:
- This reaction involves two molecules of an alkyl halide (ethyl bromide) reacting with sodium.
- The sodium replaces the bromine atoms, leading to the formation of a new carbon-carbon bond, resulting in the formation of an alkane (ethane).

4. **Identify the Type of Reaction**:
- This process is known as the **Wurtz Reaction** (or Wood's Reaction), which is characterized by the coupling of two alkyl halides in the presence of sodium to form a higher alkane.

5. **Conclusion**:
- Therefore, the given reaction is an example of the Wurtz Reaction.

### Final Answer:
The reaction is an example of the **Wurtz Reaction**.

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