Question

Identify the substances that are oxidised and the substances which are reduced in the following reactions.
(i) 4Na(s) + O2(g) → 2Na2O(s)​

Answer 1

Answer:

4Na + O2 → 2Na2O. Sodium (Na) gains oxygen and gets oxidised to sodium oxide (Na2O).

Explanation:

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Answer 2

Answer:

substance Na is the oxidised.

substance O2 is reduced

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