7) In the reversible reaction 2CrO,? (aq) + 2H' (aq) >Cr,0;? (aq) + H,O (I), chromium (VI) oxide (the reactant) is yellow and dichromate (the product) is orange. What will happen when you add concentrated HCl (aq) to the reaction mixture? a) The reaction mixture will become more yellow because increasing pH will shift the equilibrium to the left. b) The reaction mixture will become more yellow because decreasing pH will shift the equilibrium to the left. c) The reaction mixture will become more orange because increasing pH will shift the equilibrium to the right. d) The reaction mixture will become more orange because decreasing pH will shift the equilibrium to the right.

7) In the reversible reaction 2CrO,? (aq) + 2H' (aq) >Cr,0;? (aq) + H,O (I), chromium (VI) oxide (the reactant) is yellow and dichromate (the product) is orange. What will happen when you add concentrated HCl (aq) to the reaction mixture? a) The reaction mixture will become more yellow because increasing pH will shift the equilibrium to the left. b) The reaction mixture will become more yellow because decreasing pH will shift the equilibrium to the left. c) The reaction mixture will become more orange because increasing pH will shift the equilibrium to the right. d) The reaction mixture will become more orange because decreasing pH will shift the equilibrium to the right.

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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