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When PbO2 reacts with conc HNO3, the gas...

When `PbO_2` reacts with conc `HNO_3`, the gas (es ) evolved is`//`are .

A

`NO_2`

B

`O_2`

C

`N_2`

D

`N_2O`

Text Solution

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The correct Answer is:
B
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