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When PbO(2) reacts with conc. HNO(3) the...

When `PbO_(2)` reacts with conc. `HNO_(3)` then evolved gas is:

A

`NO_(2)`

B

`O_(2)`

C

`N_(2)`

D

`N_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
B
`PbO_(2)+underset("conc.")(2HNO_(3)) to Pb(NO_(3))_(2)+H_(2)O+(1)/(2)O_(2)uarr`
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