JEE MAIN - Chemistry (2024 - 27th January Evening Shift - No. 21)
1 mole of $$\mathrm{PbS}$$ is oxidised by "$$\mathrm{X}$$" moles of $$\mathrm{O}_3$$ to get "$$\mathrm{Y}$$" moles of $$\mathrm{O}_2$$. $$\mathrm{X}+\mathrm{Y}=$$ _________.
Answer
8
Explanation
$$\begin{aligned}
& \mathrm{PbS}+4 \mathrm{O}_3 \rightarrow \mathrm{PbSO}_4+4 \mathrm{O}_2 \\
& \mathrm{x}=4, \mathrm{y}=4
\end{aligned}$$
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