CrO3 (chromium trioxide) is more acidic in water than Cr O (chromium(III) oxide).
The basicity or acidity of an oxide in water depends on its reaction with water molecules. When an oxide reacts with water, it can either donate hydroxide ions (OH-) or accept hydronium ions (H3O+).
CrO3 reacts with water to form chromic acid (H2CrO4), which is a strong acid. In this reaction, CrO3 accepts hydronium ions, thereby acting as an acid. Therefore, CrO3 is considered acidic in water.
On the other hand, Cr O does not readily react with water to form an acidic solution. Instead, it forms a basic solution by generating hydroxide ions.
Overall, CrO3 is more acidic in water, while Cr O is more basic.
Which oxide CrO3 or Cr Ois more basic in water? Why
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