We’re asked to determine whether Sc2O3 is expected to react with water in acidic or basic solution.
Recall that Sc is a metal oxide. Metal oxides such Sc2O3 as can form basic solutions in water (basic anhydride).
Sc2O3 does not readily react with water (Sc is a transition metal)
Some metal oxides, such as Sc2O3, do not react with pure water, but they do react when the solution becomes either acidic or basic.
Do you expect Sc2O3 to react when the solution becomes acidic or when it becomes basic?
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