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Which of the following combination of sp...

Which of the following combination of species can evolve `O_(2)`?

A

`PbO_(2)+`warm conc. `H_(2)SO_(4)`

B

`NaOH+F_(2)`

C

`PbO_(2)+`conc. `HNO_(3)`

D

`XeF_(2)+H_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
A, B, C, D
(a). `PbO_(2)+"warm conc. "H_(2)SO_(4) to PbSO_(4)darr+O_(2)uarr`
(b) `2NaOH+F_(2) to 2NaF+(1)/(2)O_(2)+H_(2)O`
(c) `2PbO_(2)+"conc. "2HNO_(3) to 2PbNO_(3)+(5)/(2)O_(2)+H_(2)O`
(d) `XeF_(2)+H_(2)O to Xe+(1)/(2)O_(2)+2HF`.
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Knowledge Check

  • Which of the following combination does not evolve Cl_(2) gas?

    A
    `HCl(aq.)+KMnO_(4)`
    B
    `HCl+MnO_(2)`
    C
    `HCl+Br_(2)`
    D
    `HCl+F_(2)`

  • Which of the following combination doen's evolve Cl_(2) gas?

    A
    `HCl(aq.)+KMnO_(4)`
    B
    `HCl+MnO_(2)`
    C
    `HCl+I_(2)`
    D
    `HCl+F_(2)`

  • Which of the following combination doen's evolve Cl_(2) gas?

    A
    `HCl(aq.)+KMnO_(4)`
    B
    `HCl+MnO_(2)`
    C
    `HCl+I_(2)`
    D
    `HCl+F_(2)`

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