When PbO_2 reacts with conc. HNO_3 the gas evolved may be - Vidyadip

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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$\begin{array}{*{20}{c}}
O \\
{||} \\
{C{H_3} - C{H_2} - C - C{H_2} - C{H_2}}
\end{array}$

$\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||} \\
{C{H_3} - C{H_2} - C{H_2} - C - N{H_2}}
\end{array}$

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