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Which of the following equation depicts...

Which of the following equation depicts reducing nature of `H_(2)O_(2)`?

A

`2[Fe(CN)_(6)]^(4-)+2H^(+)+H_2O_2 rarr 2[Fe(CN)_6]^(3-)+2H_2O`

B

`I_2 + H_2O_2+ 2OH^(-) rarr 2I^(-)+ 2H_2O + O_2`

C

`Mn^(2+)+H_2O_2 rarrMn^(4+)+2OH^(-)`

D

`PbS +4H_2O_2+PbSO_4 + 4H_2O`

Text Solution

Verified by Experts

The correct Answer is:
B
`H_2O_2` acts as an oxidising as well as reducing agent in alkaline media. The given below reaction show the reducing action in basic medium
`I_2 + H_2O_2 +2OH^(-) rarr 2I^(-) +2H_2O+O_2`
`2MnO_4^(-) + 3H_2O_2 rarr 2MnO_2 +3O_(2) +2H_2 O+2OH^(-)`
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