Cation: Mg2+ Fe3 PН-раper: pH-рарer: pH-рарer: | pH-раper: |PH-раper: Fe2+ Deionised water 5 3 1 3 5 PH pH-meter: pH-meter: pH-meter: pH-meter: pH-meter: 6.25 2.99 1.25 2.76 6.55 Relative Deionised water < Mg2* < Fe2* < Al³+< Fe* acid strength a) Does the trend from the experimental pH measurements match your expectations? Explain your answer. How do you explain the difference in relative acidity between Mg2+ / Fe2* and Al 3+ / Fe3+ ? (keywords are electronegativity and Fajan's 3rd rule)

Cation: Mg2+ Fe3 PН-раper: pH-рарer: pH-рарer: | pH-раper: |PH-раper: Fe2+ Deionised water 5 3 1 3 5 PH pH-meter: pH-meter: pH-meter: pH-meter: pH-meter: 6.25 2.99 1.25 2.76 6.55 Relative Deionised water < Mg2* < Fe2* < Al³+< Fe* acid strength a) Does the trend from the experimental pH measurements match your expectations? Explain your answer. How do you explain the difference in relative acidity between Mg2+ / Fe2* and Al 3+ / Fe3+ ? (keywords are electronegativity and Fajan's 3rd rule)

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter18: Acids And Bases

Section: Chapter Questions

Problem 99A

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Similar questions

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