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Ch.7 - Periodic Properties of the Elements
Chapter 7, Problem 63c

Chlorine reacts with oxygen to form Cl2O7. (c) Would you expect Cl2O7 to be more reactive toward H+1aq2 or OH-1aq2?

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Acid-Base Chemistry

Acid-base chemistry involves the transfer of protons (H+) between species. In aqueous solutions, acids donate protons while bases accept them. Understanding the nature of Cl2O7, which can act as an acid, is crucial for predicting its reactivity with H+ or OH- ions.
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Reactivity of Oxides

Chlorine oxides, such as Cl2O7, exhibit unique reactivity patterns due to their molecular structure and oxidation states. Cl2O7 is a powerful oxidizing agent, and its reactivity can be influenced by the presence of acids or bases, making it essential to analyze how it interacts with H+ and OH-.
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Lewis Acids and Bases

Lewis acid-base theory expands the definition of acids and bases beyond protons. A Lewis acid accepts an electron pair, while a Lewis base donates one. Cl2O7 can act as a Lewis acid, and understanding this concept helps predict its interactions with H+ (as a Lewis base) and OH- (as a Lewis base) in solution.
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