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Why CO2 can't...

Question

Why CO₂ can't be used as an reducing agent to reduce Al from Al₂O₃?

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Solution

Carbon can be used as a reducing agent only for those metals that are less reactive than carbon. Aluminium is more reactive than carbon so it cannot be used.

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Similar questions

Q. Which reducing agent is used for reducing

Z n O, F e_{2} O_{3}, A l_{2} O_{3}

Q. Carbon cannot be used as reducing agent to obtain Mg from MgO. Why?

Q. Consider a reaction :

F e_{2} O_{3} (s) + 2 A l (s) \to A l_{2} O_{3} (s) + 2 F e (s)

Choose the correct options :

Q. Carbon cannot be used to reduce

A l_{2} O_{3}

Z n O

can be reduced by carbon.

If it is true enter 1, else enter 0.

Q. Assertion :Al obtained only by electrolytic reduction of Alumina (pure) Reason: Aluminium metal has a strong affinity for oxygen and the oxide of Al is

A l_{2} O_{3}

, which is a very stable oxide. Hence ordinary chemically reducing agents are not sufficient to reduce

A l_{2} O_{3}

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