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Electrochemical Series

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Question

Write chemical equations to represent the most probable outcome of the following. Choose the correct option and write it.

$S n O_{2} + C O Δ ⟶$ ?
1. No reaction
2. $S n O_{2} + C O Δ \to S n O + C O_{2}$
3. $S n O_{2} + 2 C O Δ \to S n + 2 C O_{2}$

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Solution

Reduction by carbon (Smelting) : This is common method of reduction. "Reduction of the oxide with carbon at high temperature is known as smelting". The oxides of less electropositive metals like $P b, Z n, F e, S n, C u$ etc. are reduced by strongly heating them with coal or coke, in the blast furnace.
$S n O_{2} + 2 C O Δ \to S n + 2 C O_{2}$

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