1 mole of PbS is oxidised by ''X

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Solution

Q.
1 mole of PbS is oxidised by ''X" moles of $O_{3}$ to get "Y'' moles of $O_{2} .$ X + Y = _________ . [2024]

Ans.
(8)

$PbS + 4 O_{3} \to {PbSO}_{4} + 4 O_{2}$

$4$ $(O_{3} \to O_{2} + \underset{N a s c e n t o x y g e n}{[O])}$

$\frac{PbS + 4 [O] \to {PbSO}_{4}}{PbS + 4 O_{3} \to 4 O_{2} + {PbSO}_{4}}$

$X = Y = 4$

$X + Y = 8$

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