Question

Which of the following diagrams shows the stability of metals over a range of pH and potential of a system?

(a) Phase diagrams

(b) Pourbaix diagrams

(c) Phase diagrams and Pourbaix diagrams

(d) Colling curves

I had been asked this question in homework.

I'm obligated to ask this question of Modern Theory Principles topic in portion Modern Theory Principles of Corrosion Engineering

Answer 1

Right choice is (b) Pourbaix diagrams

The best explanation: Pourbaix diagrams show the stability of metal over a range of pH and potential of a system. It also includes native zone, passive zone, and corrosive zone. It is also called as potential-pH diagrams.