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Explain stability of oxides

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Explain stability of oxides
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Meghna Thapar 4 years ago

According to Ellingham diagram the lower the position of a metal line in the Ellingham diagram, the greater is the stability of its oxide i.e lower metal line will have most negative Gibbs free energy due to which metal will be most stable in the form of its oxide. Bromine being in between lacks both these characteristics. Thus, the stability of oxides of halogens decreases in the order : I > Cl > Br > F. Higher oxide halogens are more stable than the lower ones because the higher ones are less reactive than the lower ones and also the size of the atoms are more of higher so they are less reactive and hence the oxides are more stable.

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