Question

Shown below is a picture of investigative conditions under which iron rust. In which of the following test tube the rusting of iron takes place?

Answer 1

Answer:

Dunstan states that rusting of iron takes place in the presence of water and oxygen when every trace of carbonic acid has been removed

1: Rust, the Result of Corrosion of Metallic Iron. Iron is oxidized to Fe2+(aq) at an anodic site on the surface of the iron, which is often an impurity or a lattice defect. Oxygen is reduced to water at a different site on the surface of the iron, which acts as the cathode.

Explanation:

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