Question

Rusting of iron is belongs to which order

Answer 1

Answer:

corrosion

Explanation:

when a metal is eaten up by air,moisture,water etc then it is called corrosion

Answer 2

Answer:

The Old Thermodynamist says:

In the presence of both air and water (humid air or water with dissolved oxygen), the reaction for rusting of iron or steel is:

4Fe + 3H2O(l) + 3O2(g) = Fe2O3•H2O + FeO•OH + Fe(OH)3

Change in Free Energy: ΔG(20C) = -1461.5kJ (negative, so the reaction runs)

Change in Enthalpy: ΔH(20C) = -1652.0kJ (negative, so the reaction is exothermic)

The “red rust” that you observe is the Fe2O3•H2O

Explanation:

Hope it helps you

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