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Which of the following shows wrong match...

Which of the following shows wrong matching

A

`H_(2)C_(2)O_(4) overset("conc." H_(2)SO_(4)) to CO+CO_(2)+H_(2)O-H_(2)SO_(4)` an dehydrating agent

B

`Cu+2H_(2)SO_(4) to CuSO_(4)+2H_(2)O+SO_(2)+H_(2)SO_(4)` as oxidizing agent

C

`Na_(2)S+H_(2)SO_(4) to Na_(2)SO_(4)+H_(2)S-H_(2)SO_(4)` as an acid

D

`2HBr+H_(2)SO_(4) to 2H_(2)O+SO_(2)+Br_(2)-H_(2)SO_(4)` as reducing agent

Text Solution

Verified by Experts

The correct Answer is:
D
`SO_(2)+2H_(2)O to H_(2)SO_(4)+2H`. Coloured matter is reduced.
Coloured compound `+H to ` colourless compound
The bleaching action of `SO_(2)` is temporary and reversible.
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