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A dilute solution of p-resoniline hydro...

A dilute solution of p-resoniline hydrochloride in water whose pink colour has been discharged by passing sulphur dioxide , does not restore its colour by

A

HCHO

B

`CH_(3)CHO`

C

`(CH_(3))_(2)COCH_(3)`

D

`C Cl_(3)CHO`

Text Solution

Verified by Experts

The correct Answer is:
C
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