Question

By which rule formation of metal oxide on metals will be studied​

Answer 1

Metal oxides are formed consistent with minimizing surface energy and minimizing system entropy. The formation reactions are chemical in nature, forming bonds between oxygen dimers and pure metals or metal alloys. The reactions are endothermic for transition metals and semi-metals.

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Answer 2

Answer:

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Explanation:

Oxides of the transition metals with oxidation numbers of +1, +2, and +3 are ionic compounds consisting of metal ions and oxide ions. ... As a general rule, the ionic transition metal oxides are basic. That is, they will react with aqueous acids to form solutions of salts and water; for example, CoO + 2H3O+ → Co2+ + 3H2O.