By considering these half-reactions and their standard reduction potentials, Pr2+ + 2 e -→ Pt E° = 1.2 V NO, + 4 H30 + 3 e¯ → NO + 6 H;O E° = 0.96 V PtCl + 2 e –→ Pt + 4 CI" E° = 0.73 V account for the fact that platinum will dissolve in a mix- ture of hydrochloric acid and nitric acid (aqua regia) but will not dissolve in either acid alone.

By considering these half-reactions and their standard reduction potentials, Pr2+ + 2 e -→ Pt E° = 1.2 V NO, + 4 H30 + 3 e¯ → NO + 6 H;O E° = 0.96 V PtCl + 2 e –→ Pt + 4 CI" E° = 0.73 V account for the fact that platinum will dissolve in a mix- ture of hydrochloric acid and nitric acid (aqua regia) but will not dissolve in either acid alone.

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

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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