Identify the substance oxidised, reduced, oxidising agent and reducing agent for each of the following reactions :
$P b_{(s)} + P b O_{2 (s)} + 2 H_{2} S O_{4 (a q)} \to 2 P b S O_{4 (s)} + 2 H_{2} O_{(l)}$

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Solution

Pb is oxidized ad $P b O_{2}$ is reduced.
$P b O_{2}$ is oxidizing agent and Pb is reducing agent.

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Similar questions

Identify the substance oxidised, reduced, oxidising agent and reducing agent for each of the following reactions:

(a) 2AgBr (s) + C₆H₆O₂(aq) → 2Ag(s) + 2HBr (aq) + C₆H₄O₂(aq)

(b) HCHO(l) + 2[Ag (NH₃)₂]⁺(aq) + 3OH^–(aq) → 2Ag(s) + HCOO^–(aq) + 4NH₃(aq) + 2H₂O(l)

(d) N₂H₄(l) + 2H₂O₂(l) → N₂(g) + 4H₂O(l)

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N_{2} H_{4 (l)} + 2 H_{2} O_{2 (l)} \to N_{2 (g)} + 4 H_{2} O_{(l)}

2 A g B r (s) + C_{6} H_{6} O_{2} (a q) \to 2 A g (s) + 2 H B r (a q) + C_{6} H_{4} O_{2} (a q)

{H C H O}_{(l)} + 2 [A g (N H_{3})_{2}]_{(a q)}^{+} + 3 O H_{(a q)}^{-} \to 2 A g_{(s)} + H C O O_{(a q)}^{-} + 4 {N H_{3}}_{(a q)} + 2 {H_{2} O}_{(l)}

P b

P b (s)

P b O_{2} (s)

2 H_{2} S O_{4} (a q)

\to

2 P b S O_{4} (s)

2 H_{2} O (l)

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