1. Tardigrade
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  3. Chemistry
  4. In which of the following reactions, there is no change in valency ?

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Q. In which of the following reactions, there is no change in valency ?

AIPMTAIPMT 1994Redox Reactions

Solution:

$BaO _{2}+ H _{2} SO _{4} \rightarrow BaSO _{4}+ H _{2} O _{2}$
as we know oxygen in peroxide is hare $-1$ oxidotion.
SO, $BaO _{2}$ and $H _{2} O _{2}$ are peroxide have $-1$ oxidation in oxygen.