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Which of the following cannot be oxidise...

Which of the following cannot be oxidised by `H_(2)O_(2)` ?

A

PbS

B

`O_(3)(g)`

C

`Na_(2)SO_(3)(aq)`

D

`KI(aq)`.

Text Solution

Verified by Experts

The correct Answer is:
B
`H_(2)O_(2)` cannot oxidise `O_(3).O_(3)` is a stronger oxidising agent than `H_(2)O_(2)` as such `H_(2)O_(2)` cannot oxidise `O_(3)`. In the reaction,
`O_(3)+H_(2)O_(2)to2O_(2)+H_(2)O`
`H_(2)O_(2)` is oxidised and `O_(3)` is reduced.
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