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In which reaction there is no change in ...

In which reaction there is no change in valency and the oxidation state ?

A

`SO_2 + H_2S rarr 2H_2O + 3S`

B

`2Na + O rarr Na_2O`

C

`Na_2O_2 + H_2SO_4 rarr Na_2SO_4 + H_2O_2`

D

`4KClO_3 rarr 3KClO_4 + KCl`

Text Solution

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The correct Answer is:
C
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