Answered: Do you expect DH (the change in…

Do you expect DH (the change in enthalpy) to be positive or negative for the reaction involving the formation of the aluminum/xylenol orange complex? Briefly explain your answer.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter21: Transition Metals And Coordination Chemistry

Section: Chapter Questions

Problem 10Q

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Concept explainers

Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.

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Do you expect DH (the change in enthalpy) to be positive or negative for the reaction involving the formation of the aluminum/xylenol orange complex? Briefly explain your answer.

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When orange solution containing Cr2O72–ion is treated with an alkali, a yellow solution is formed and when H+ions are added to yellow solution, an orange solution is obtained. Explain why does this happen?
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