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Question
How is carbolic acid prepared from the given compounds :
Chlorobenzene and steam at 698K?
Solution
Preparation of carbolic acid from Chlorobenzene and steam at 698 K:-
Phenol is obtained by heating chlorobenzene with steam at 698 K using Ca3(PO4)2 or SiO2 as a catalyst. The hydrolysis can also be affected by water in
the presence of copper as a catalyst at 673 K and under pressure.
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