1.

in which of the following reactions, H_2O_2 is acting as a reducing agent?

Answer»

`PBS + 4H_2O_2rarr PbSO_4+ 4H_2O`
`Cl_2 + H_2O, rarr2HCI + O_2`
`2Fe^2 +H_2O_2rarr2Fe^(3+) + 2OH`
`H_2SO_4 + H_2O_2 RARR H_2SO_4 + H_2O`

ANSWER :B


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