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45. HC2H3O2 (aq) + CN¯ (aq)  <===> HCN (aq) + C2H3O2¯ (aq)  The reaction represented above has an equilibrium constant equal to 3.7 x 104. Which of the following can be concluded from this information?    A) CN¯ (aq) is a stronger base than C2H3O2¯ (aq)  B) HCN (aq) is a stronger acid than HC2H3O2 (aq)  C) The conjugate base of CN¯(aq) is C2H3O2¯ (aq)  D) The equilibrium constant will increase with an increase in temperature.  E) The pH of a solution containing equimolar amounts of CN¯(aq) and HC2H3O2 (aq) is 7.0.

45. HC2H3O2 (aq) + CN¯ (aq)  <===> HCN (aq) + C2H3O2¯ (aq)  The reaction represented above has an equilibrium constant equal to 3.7 x 104. Which of the following can be concluded from this information?    A) CN¯ (aq) is a stronger base than C2H3O2¯ (aq)  B) HCN (aq) is a stronger acid than HC2H3O2 (aq)  C) The conjugate base of CN¯(aq) is C2H3O2¯ (aq)  D) The equilibrium constant will increase with an increase in temperature.  E) The pH of a solution containing equimolar amounts of CN¯(aq) and HC2H3O2 (aq) is 7.0.

Chemistry
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
Chapter14: Acids And Bases
Section: Chapter Questions
Problem 7RQ: Table 13-4 lists the stepwise Ka values for some polyprotic acids. What is the difference between a...
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45. HC2H3O2 (aq) + CN¯ (aq)  <===> HCN (aq) + C2H3O2¯ (aq) 

The reaction represented above has an equilibrium constant equal to 3.7 x 104. Which of the following can be concluded from this information? 

 

A) CN¯ (aq) is a stronger base than C2H3O2¯ (aq) 

B) HCN (aq) is a stronger acid than HC2H3O2 (aq) 

C) The conjugate base of CN¯(aq) is C2H3O2¯ (aq) 

D) The equilibrium constant will increase with an increase in temperature. 

E) The pH of a solution containing equimolar amounts of CN¯(aq) and HC2H3O2 (aq) is 7.0.

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