Yes, both SO3 (sulfur trioxide) and Cl2O7 (dichlorine heptoxide) are acidic oxides.
An acidic oxide is an oxide that, when dissolved in water, forms an acid. These oxides react with water to produce acidic solutions.
SO3 is produced when sulfur dioxide (SO2) reacts with oxygen in the air. When dissolved in water, it forms sulfuric acid (H2SO4), a strong acid. The reaction can be represented as follows:
SO3 + H2O -> H2SO4
Sulfuric acid is a highly corrosive acid widely used in various industrial processes.
Similarly, Cl2O7 is an acidic oxide. When it reacts with water, it forms chloric acid (HClO4), which is a strong acid. The reaction can be represented as:
Cl2O7 + H2O -> 2HClO4
Chloric acid is a powerful oxidizing agent and is used in analytical chemistry and organic synthesis.
Both SO3 and Cl2O7 readily dissolve in water to form acidic solutions due to the presence of hydrogen atoms that can be ionized to release H+ ions, which contribute to the acidic properties.