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Phenolic esters heating with AlCl(3) (...

Phenolic esters heating with `AlCl_(3)` (Lewis acid ) gives ortho and para acyl phenol . This is known as Fries rearrangement .

In general, low temperature favours the para product and high tempearture favaous orhto product .
Mechanism :

If one of the ortho position is subtituted by any group then para is the major product
`underset(H_(2)O)overset(AlCl_(3))to` Major product :

A

B

C

D

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The correct Answer is:
C
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Phenolic esters heating with AlCl_(3) (Lewis acid ) gives ortho and para acyl phenol . This is known as Fries rearrangement . In general, low temperature favours the para product and high tempearture favaous orhto product . Mechanism : If one of the ortho position is subtituted by any group then para is the major product overset(AlCl_(3))to Major product :

Ortho and para hydrogen have :

Ortho and para hydrogen differ in

Ortho and para hydrogen differn in

Ortho- and para-hydrogen differ in

At high temperature, para hydrogen is :

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