1.Main source of lead is galena. It is converted to Pb by:(X) PbS+O2→PbO+SO2\text{PbS} + \text{O}_2 \rightarrow \text{PbO} + \text{SO}_2PbS+O2→PbO+SO2; PbO+C→Pb+CO2\text{PbO} + \text{C} \rightarrow \text{Pb} + \text{CO}_2PbO+C→Pb+CO2(Y) PbS+O2→PbO+PbS\text{PbS} + \text{O}_2 \rightarrow \text{PbO} + \text{PbS}PbS+O2→PbO+PbS; heating →Pb+SO2\rightarrow \text{Pb} + \text{SO}_2→Pb+SO2(Z) PbS+O2→PbO+SO2\text{PbS} + \text{O}_2 \rightarrow \text{PbO} + \text{SO}_2PbS+O2→PbO+SO2; PbO+CO→Pb+CO2\text{PbO} + \text{CO} \rightarrow \text{Pb} + \text{CO}_2PbO+CO→Pb+CO2Self-reduction process is:a.(X) onlyb.(Y) onlyc.(Z) onlyd.Both (X) and (Y)Login to continueOnly logged in users canattempt or see the solution.