Question

Q4.Identify the substance oxidised and substance reduced in the following reactions (i) ZnO(s) + C(s) ———> Zn(s) + CO (g) (ii) 2Na(s) + O2 (g) ———> 2Na2O(s) (iii) CuO(s) + H 2(g) ———> Cu(s) + H2O (l).​

Answer 1

Explanation:

¡) ZnO is reduced and C is oxidised. ( ¡¡) Na is oxidised and oxygen is reduced. ( ¡¡¡) CuO is reduced and hydrogen is oxidised.