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Which gas is evolved when PbO(2) is trea...

Which gas is evolved when `PbO_(2)` is treated with conc `HNO_(3)` ?

A

`NO_2`

B

`O_2`

C

`N_2`

D

`N_1O_2`

Text Solution

Verified by Experts

The correct Answer is:
B
`PbO_2 + 2HNO_3 rarr Pb(NO_3)_2 + H_2 O + 1/2 O_2 uarr`.
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