Question

Identify the substances that are oxidised and the substances
that are reduced in the following reactions.
(i) 4Na(s) + O2(g) → 2NaO(s)
(ii) CuO(s) + H2(g) → Cu(s) + +HO()​

Answer 1

1. Na is oxidised, O is reduced

2. Cu is reduced, H is oxidised

Answer 2

Answer:

(i)Sodium is being oxidised but nothing is being reduced

(ii)Hydrogen is being oxidised while copper is being reduced

Hope this helps!