Question

Why does a coating of oil slow the oxidation of iron? the oil stops oxygen from reaching the iron, and therefore decreases the concentration of oxygen in the rusting reaction the oil's surface decreases the surface area of the chain, slowing the rusting reaction the oil cools the chain so that the rusting reaction occurs much slower the oil is an "anti-catalyst", which actually causes the opposite reaction to occur ("anti-rusting")?

Answer 1

The first one,
 The oil blocks oxygen from touching and reacting with the iron, so less oxygen is available for the rusting(oxidation) reaction

Answer 2

The oil blocks oxygen from touching and reacting with the iron, so less oxygen is available for the rusting and less oxidation reaction takes place.

What is rusting?

Rusting is defined as the chemical process in which there is a formation of a red or orange coat on the surface of the metals.

Rusting is a part of corrosion.

Oil not only lubricates metal parts and allows them to move with less friction, but oil also forms a protective barrier against rust.

The principle here is pretty simple; with a coating of oil, moisture can't react with the iron in the metal and cause rust.

Learn more about the rusting here:

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