Which statement regarding oxides is true? Correct the false statements. A. CaO is an acidic oxide because Ca2+ acts as an acid when CaO reacts with H2.B. CO2 is an acidic oxide because CO2 ionizes in H2O and O2– acts as a Lewis acid.C. MgO is a basic oxide because Mg2+ can act as a Lewis base.D. Amphoteric oxides behave as acidic oxides in the presence of H3O+.E. None of the above statements are true about oxides.

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter14: Acids And Bases
Section14.5: Ionization Constants Of Acids And Bases
Problem 14.12CE
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Which statement regarding oxides is true? Correct the false statements. 
A. CaO is an acidic oxide because Ca2+ acts as an acid when CaO reacts with H2.
B. CO2 is an acidic oxide because CO2 ionizes in H2O and O2– acts as a Lewis acid.
C. MgO is a basic oxide because Mg2+ can act as a Lewis base.
D. Amphoteric oxides behave as acidic oxides in the presence of H3O+.
E. None of the above statements are true about oxides.

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