Equation (23.18), which represents the chromatedichromate equilibrium, is actually the sum of two equilibrium expressions. The first
Question:
Equation (23.18), which represents the chromate–dichromate equilibrium, is actually the sum of two equilibrium expressions. The first is an acid–base reaction, H+ + CrO42– ⇌ HCrO4–. The second reaction involves elimination of a water molecule between two HCrO4– ions (a dehydration reaction), 2 HCrO4– ⇌ Cr2O72– + H2O. If the ionization constant, Ka for HCrO4– is 3.2 x 10–7, what is the value of K for the dehydration reaction?
Eq. 23.18
Transcribed Image Text:
2 CrO2 (aq) + 2 H¹ (aq) + 2 H¹ (aq) → Cr₂O7² (aq) + H₂O(1) (23.18)
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To determine the value of K for the dehydration reaction 2 HCrO4 Cr2O72 H2O we can use the follow...View the full answer
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Related Book For
General Chemistry Principles And Modern Applications
ISBN: 9780132931281
11th Edition
Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette
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