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Schiff's reagent is obtained by passing ...

Schiff's reagent is obtained by passing gas in aqueous solution of rosaniline ?

A

`NO_(2)`

B

` CO_(2)`

C

`SO_(2)`

D

`O_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Schiff's reagent is prepared by passing `SO_(2)` gas through aq. Soluton of rosaniline. `SO_(2)` acts a oxidising agent and it oxidises the dye and gives colourless solution.
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