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Pyrogallol is...

Pyrogallol is

A

`1,2,3`-trihydroxybenzene

B

`1,2,4`-trihydroxybenzene

C

`1,3,5`-trihydroxybenzene

D

`2,4,6`-trihydroxybenzene

Text Solution

Verified by Experts

The correct Answer is:
A

It is a trihydric phenol

Alkaline solutions of pyrogallol oxidized very rapidly on exposure to air and hence are used in gas analysis for the absorption of oxygen (and carbon dioxide).
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