MCQ
When $PbO_2$ reacts with conc. $HNO_3$ the gas evolved may be
  • A
    $NO_2$
  • $O_2$
  • C
    $N_2$
  • D
    $N_2O$

Answer

Correct option: B.
$O_2$
b
$PbO_2 + conc.\,\,\,HNO_3$ 

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