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What is a reaction of Ca on a phenol?

What is a reaction of Ca on a phenol?

Grade:

1 Answers

Aarti Gupta
askIITians Faculty 300 Points
6 years ago
Phenol reacts with Ca(OH)2 in aq. or organic media and forms calcium phenol half-salts.
Ph-OH + Ca(OH)2 -----------------> Ph-O-Ca-OH + H2O
Phenol Calcium
phenol half-salt

Pyrolysis of calcium phenol half-salts yields calcium oxide and phenols unlike other alkali metal phenates which yields gas and char.This unexpected results with the organocalcium system suggested a new phenol separation/recovery approach.

Pyrolysis of Phenol at 550-650 degreeC
Ph-O-Ca-OH ----------------------> Ph-OH + CaO
Phenol Calcium oxide

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