Question

what is rust? how it is formed? write the chemical reaction involved​

Answer 1

Answer:

This may be the answer..

Explanation:

Rusting is an oxidation reaction. The iron reacts with water and oxygen to form hydrated iron(III) oxide, which we see as rust. Here is the word equation for the reaction: iron + water + oxygen → hydrated iron(III) oxide

The chemical equation is simply 4Fe + 3O2 + 6H2O → 4Fe(OH)3.

Answer 2

Answer:

The brownish layer deposited on an iron object after exposure to moist air is called rust.

It is form when iron and oxygen reacts in the presence of water.

Rust formula:

4Fe+3O²+6H2O–>4Fe(OH)³

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