Which of the following redox couple is stronger reducing agent?

a. Li (E0 = – 3.05 V) and Mg(E0 = – 2.36 V)

b. Zn(E0 = – 0.76 V) and Fe(E0 = – 0.44 V)

9 views

1 Answers

a. Li (E0 = – 3.05 V) and Mg(E0 = – 2.36 V)

Li has a larger negative value of E0 than Mg. 

Thus, 

Li is a stronger reducing agent than Mg.

b. Zn(E0 = – 0.76 V) and Fe(E0 = – 0.44 V)

Zn has a larger negative value of E0 than Fe. 

Thus,

Zn is a stronger reducing agent than Fe.

9 views