JAMB - Chemistry (2023 - No. 73)
The process of rusting is an example of the formation of
Basic oxide
Acidic oxide
Reducing oxide
Amphoteric oxide
Giải thích
Rusting is the corrosion of iron or steel due to exposure to oxygen and moisture in the air, resulting in the formation of iron oxide (Fe\(_2\)O\(_3\) or Fe\(_3\)O\(_4\)), which is an example of an basic oxide.
Fe\(_2\)O\(_3\), also known as iron(III) oxide, is considered basic in nature; it exhibits more basic properties than acidic ones, although it can act as an amphoteric oxide, meaning it can react with both acids and bases under certain conditions.Since iron is a metal, its oxide (Fe2O3) is generally classified as basic.