Question:
Which catalyst is used in conversion of chlorobenzene to phenol by Rasching process?
Which catalyst is used in conversion of chlorobenzene to phenol by Rasching process?
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Remember: Rasching process converts chlorobenzene to phenol using steam and calcium phosphate as catalyst.
Updated On: Feb 18, 2026
- Calcium phosphate
- Calcium carbonate
- Calcium sulphate
- Calcium chloride
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The Correct Option is A
Solution and Explanation
Step 1: Recall the Rasching process.
The Rasching process is an industrial method used to convert chlorobenzene into phenol using steam at high temperature and pressure.
Step 2: Identify the catalyst used.
Calcium phosphate acts as a catalyst in this process and facilitates the hydrolysis of chlorobenzene to phenol.
Step 3: Eliminate incorrect options.
Calcium carbonate, calcium sulphate, and calcium chloride are not used as catalysts in the Rasching process.
Step 4: Conclusion.
Hence, the catalyst used in the Rasching process is calcium phosphate.
The Rasching process is an industrial method used to convert chlorobenzene into phenol using steam at high temperature and pressure.
Step 2: Identify the catalyst used.
Calcium phosphate acts as a catalyst in this process and facilitates the hydrolysis of chlorobenzene to phenol.
Step 3: Eliminate incorrect options.
Calcium carbonate, calcium sulphate, and calcium chloride are not used as catalysts in the Rasching process.
Step 4: Conclusion.
Hence, the catalyst used in the Rasching process is calcium phosphate.
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