When nickel(II) oxide is heated in O 2 , some of the cations are oxidized and vacant
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When nickel(II) oxide is heated in O2, some of the cations are oxidized and vacant cation sites are formed according to the equation:
where h+ denotes a vacant cation site and (s) denotes an ion in the solid. Account for the fact that the electrical conductivity of the product is, for small deviations from stoichiometry, proportional to the sixth root of the pressure of O2.
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The given chemical equation represents the oxidation of nickelII oxide NiO in the presence of oxygen O2 to form nickelIII oxide Ni2O3 and vacancies h ...View the full answer
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