The formation of phenol from benzene diazonium chloride is a -------.A. Hydrolysis reactionB. Pyrolysis reactionC. Photosynthesis reactionD. Combustion reaction
The formation of phenol from benzene diazonium chloride involves the following reaction:
\[
\text{C}_6\text{H}_5\text{N}_2\text{Cl} + \text{H}_2\text{O} \rightarrow \text{C}_6\text{H}_5\text{OH} + \text{HCl} + \text{N}_2
\]
In this reaction, benzene diazonium chloride reacts with water (hydrolysis) to produce phenol (C₆H₅OH), hydrochloric acid (HCl), and nitrogen gas (N₂).
### Explanation of the Options:
1. **A. Hydrolysis reaction**: This is the correct answer. Hydrolysis is a reaction where water is used to break down a compound. In this case, the benzene diazonium chloride is hydrolyzed to form phenol.
2. **B. Pyrolysis reaction**: This refers to the thermal decomposition of materials at elevated temperatures in an inert atmosphere. It does not apply here since the reaction involves water.
3. **C. Photosynthesis reaction**: This is the process by which green plants convert light energy into chemical energy. This is not relevant to the formation of phenol.
4. **D. Combustion reaction**: This involves the burning of a substance in the presence of oxygen, typically producing heat and light. This is not applicable to the formation of phenol from benzene diazonium chloride.
### Conclusion:
The correct answer is **A. Hydrolysis reaction**.
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