state reason why carbon is not used to reduce oxides of sodium or aluminium

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Solution

Because Na and Al have higher reduction potential than carbon i.e they lie above carbon in reduction potential series (reactivity series) .Therefore Carbon can not reduce the Sodium and Aluminium

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Similar questions

Explain why, carbon cannot reduce oxides of sodium or magnesium.

Although carbon and hydrogen are better reducing agents but they are not used to reduce metallic oxides at high temperatures. Why?

Explain with reasons:

(a) In the electrolytic reduction of alumina, the graphite anode is gradually consumed.

Why the anode has to be replaced in this process?

(b) Roasting is carried out on sulphide ores and not on carbonate ores.

(d) Electrolytic reduction is done to obtain aluminium?

(e) Why 'the food containing iron salts' should not be cooked in aluminium utensils?

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