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Carbon Monoxide

Carbon and ...

Question

Carbon and $C O$ gas are used to reduce which of the following pairs of metal oxides for extraction of metals?

F e O, S n O

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S n O, Z n O

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B a O, N a_{2} O_{2}

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F e O, Z n O

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Solution

The correct option is D $F e O, Z n O$
$Z n O + C \to Z n + C O; Z n O + C O \to Z n + C O_{2}$

$F e O + C \to F e + C O; F e O + C O \to F e + C O_{2}$

In the process of smelting, the oxide ore is reduced by carbon and the metal may be obtained in the molten state or as vapours which are condensed.

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π

F e O (s) + C O (g) = F e (s) + C O_{2} (g)

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