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Assertion (A): H(2)O(2) acts only as an ...

Assertion (A): `H_(2)O_(2)` acts only as an oxidising agnet.
`H_(2)O_(2)rarrH_(2)O+O`
Reason (R ): All peroxides behave as oxidising agnets only.

A

If both `(A)` and `(R )` are correct and `(R )` is the correct explanation of `(A)`.

B

If both `(A)` and `(R )` are correct but `(R )` is not the correct explanation of `(A)`.

C

If `(A)` is correct but `(R )` is incorrect.

D

If both `(A)` and `(R )` are incorrect.

Text Solution

Verified by Experts

`H_(2)O_(2)` acts both as an oxidising and a reducing agent.
`(H_(2)O_(2)rarrO_(2)+2H^(o+)+2e^(-))`
(Oxidation, acts as a reducing agent)
`(2e^(-)+2H^(o+)+H_(2)O_(2)rarr2H_(2)O)`, (Reduction, acts as oxidising agent)
In `H_(2)O_(2)`, the oxidation number of `O` is `-1`. `O` can have a minimum oxidation number of `-2` and a maximum oxidation number of Zero. The oxidation number can either decrease from `-1` to `-2` or can increase from `-1` to zero.
Correct `(R )`:
All peroxides can act either as an oxidising agent or as a reducing agent or both.
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H_2 O_2 acts as an oxidising agent in

Give a reaction in which H_(2)O acts as an oxidising agent.

Knowledge Check

  • H_(2)O_(2) acts as an oxidising agent in

    A
    Neutral medium
    B
    Acidic medium
    C
    Alkaline medium
    D
    Acidic and alkaline medium
  • H_(2)O_(2) acts as strong oxidising agent in

    A
    Acidic Medium
    B
    In the presence of Glycerol
    C
    Alkaline medium
    D
    Neutral medium
  • H_2O_2 acts as an oxidising agent in

    A
    Neutral medium
    B
    Acidic medium
    C
    Alkaline medium
    D
    Acidic and alkaline medium
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    Which reaction shows oxidising nature of H_(2)O_(2) ?