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Ellingham Diagram

The carbon-ba...

Question

The carbon-based reduction method is not used for the extraction of :

tin from

S n O_{2}

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iron from

F e_{2} O_{3}

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aluminium from

A l_{2} O_{3}

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magnesium from

M g C O_{3}, C a C O_{3}

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Solution

The correct options are
B aluminium from $A l_{2} O_{3}$
D magnesium from $M g C O_{3}, C a C O_{3}$
$S n O_{2}$ and $F e_{2} O_{3}$ undergoes reduction. But $A l_{2} O_{3}$ and $M g C O_{3}, C a C O_{3}$ does not

Suggest Corrections

Similar questions

{A l}_{2} O_{3}

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{A l}_{2} O_{3}

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{A l}_{2} O_{3}

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\frac{2}{3} {A l}_{2} O_{3} \to \frac{4}{3} A l + O_{2}; Δ_{r} G = + 960 k J {m o l}^{- 1}

({A l}_{2} O_{3})

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{A l}_{2} O_{3}

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\frac{2}{3} {A l}_{2} O_{3} ⟶ \frac{4}{3} A l + O_{2};

Δ G = + 960 k J

{A l}_{2} O_{3}

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{A l}_{2} O_{3}

{A l}_{2} O_{3} (s) + 2 O H^{-} (a q) \to 2 A l O_{2}^{-} (a q) + H_{2} O (l)

{F e}_{2} O_{3}

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2 A l {(O H)}_{4}^{-} ⟶ {A l}_{2} O_{3} \cdot 3 H_{2} O (s) + 2 O H_{(a q)}^{-}

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