Home › CBSE Class 12 (Science) › Chemistry › Alcohols, Phenols and Ethers › At what temperature is chlorobenzene fused with …
At what temperature is chlorobenzene fused with NaOH to make phenol?
A473 K
B623 K
C373 K
D298 K
Answer & Solution
Correct answer: B. 623 K
The Dow type process uses molten NaOH at 623 K and 320 atm, followed by acidification.
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