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
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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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7) In the reversible reaction 2CrO,? (aq) + 2H* (aq) E→Cr,0;² (ag) + H2O (I), chromium (VI) oxide (the
reactant) is yellow and dichromate (the product) is orange.
What will happen when you add concentrated HCI (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.
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7) In the reversible reaction 2CrO,? (aq) + 2H* (aq) E→Cr,0;² (ag) + H2O (I), chromium (VI) oxide (the
reactant) is yellow and dichromate (the product) is orange.
What will happen when you add concentrated HCI (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.
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