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Three isomeric tetracarboxylic acids (I)...

Three isomeric tetracarboxylic acids `(I),(II)`, and `(III)` are given.

They can be distinguised by anhydride formation by treating with one equivalent and two equivalents of `SOCl_2`.
Which tetracarboxylic acid on reaction with one equivalent of `SOCl_2` gives two isomeric monoanhydrides ?

A

`(I)`

B

`(II)`

C

`(III)`

D

All

Text Solution

Verified by Experts

The correct Answer is:
A
(a) .
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