Question

$PbS\underset{\mathrm{\Delta }}{\overset{\mathrm{air}}{\to }}X,X+PbS\to Pb+S{O}_2$ '$X$' is

• A. $PbO$
• B. $Pb{O}_2$
• C. $PbO$ and $PbS{O}_4$
• D. $Pb{O}_2$ and $PbO$

Answer 1

Answer: (C)

$PbS+O_2\to PbO+S{O}_2$
$PbS+2O_2\to PbS{O}_4$