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Redox Reaction

In the follow...

Question

In the following reaction between lead sulphide adn hydrogen peroxide :

$P b S (s) + 4 H_{2} O_{2} (a q) ⟶ P b S O_{4} (s) + 4 H_{2} O (l)$

(a) which substance is reduced ?

(b) Which substance is oxidised ?

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Solution

(a) $H_{2} O_{2}$

(b) PbS

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