Identify the metal M whose extraction is based on the following reactions:
$M S + 2 O_{2} \to M S O_{4};$
$2 M S + 3 O_{2} \to 2 M O + 2 S O_{2}$
$M S + 2 M O \to 3 M + S O_{2};$
$M S + M S O_{4} \to 2 M + 2 S O_{2}$

Magnesium

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Aluminium

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Lead

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Tin

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Solution

The correct option is C Lead
Given reactions process indicate the auto reduction. Autoreduction is done for $P b, C u$ and $H g$ in metallurgy.

Auto reduction in the extraction of Pb:
$P b S + 2 O_{2} \to P b S O_{4};$
$2 P b S + 3 O_{2} \to 2 P b O + 2 S O_{2}$
$P b S + 2 P b O \to 3 P b + S O_{2};$
$P b S + M S O_{4} \to 2 P b + 2 S O_{2}$

Suggest Corrections

Similar questions

M S + 2 O_{2} \to M S O_{4};

2 M S + 3 O_{2} \to 2 M O + 2 S O_{2}

M S + 2 M O \to 3 M + S O_{2};

M S + M S O_{4} \to 2 M + 2 S O_{2}

M

M S + 2 O_{2} ⟶ M {S O}_{4}

2 M S + 3 O_{2} ⟶ 2 M O + 2 S O_{2}

M S + 2 M O ⟶ 3 M + S O_{2}

M S + M {S O}_{4} ⟶ 2 M + 2 S O_{2}

2 M + \frac{1}{2} O_{2} \to M_{2} O

M

=

M^{n +} (a q)

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