Question
In the following reactions:
Mention:
(i) Which reactant is oxidised? To what?
(ii) Which reactant is an oxidising agent?
(iii) Which reactant is reduced?
(iv) Which reactant is reducing agent?
Solution
1.
(i) Na(s) is oxidised to Na+(g)
(ii) Cl2(g) is the oxidising agent.
(iii) Cl2(s) is reduced to Cl- (aq)
(iv) Na(s) is the reducing agent.
(i) Mg(s) is oxidised to Mg2+ (g)
(ii) Cl2(g) is the oxidising agent.
(iii) Cl2(g) is reduced to Cl-(aq)
(iv) Mg (s) is reducing agent.
(i) Zn(s) is oxidised to Zn2+ (aq)
(ii) H+ (aq) is the oxidising agent.
(iii) H+ (aq) is reduced to H2(g)
(iv) Zn(i) is the reducing agent.
