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Which subtance cannot be reduced by H(2)...

Which subtance cannot be reduced by `H_(2)O_(2)`

A

`KMnO_(4) // H_(2)SO_(4)`

B

`K_(2)Cr_(2)o_(7) // H_(2)SO_(4)`

C

`Ag_(2)O`

D

`Fe^(3+)`

Text Solution

Verified by Experts

The correct Answer is:
D
`Fe^(+3)` cannot be reduced by `H_(2)O_(2)` while all other get reduced.
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Which substance cannot be reduced by H_(2)O_(2) :

Which oxide cannot be reduced by H_2 ?

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

Knowledge Check

  • Which substance cannot be reduced by H_(2)O_(2)

    A
    `KMnO_(4)//H_(2)SO_(4)`
    B
    `K_(2)Cr_(2)O_(7)//H_(2)SO_(4)`
    C
    `Ag_(2)O`
    D
    `Fe^(3+)`

  • Which oxide cannot be reduced by H_2 ?

    A
    `Al_(2)O_(3)`
    B
    `CuO`
    C
    `ZnO`
    D
    All of these

  • Out of the oxides given below, which of them cannot be reduced by H_(2) I (Al_(2)O_(3)) ,II (CuO), (III)(ZnO)

    A
    only I
    B
    I and II
    C
    I,II, and III
    D
    III and II.