Question
The acid dissociation constants for Benzoic acid (C 6 H 5 CO 2 H) and ethanoic acid (CH 3 CO 2 H) are K a
The acid dissociation constants for Benzoic acid (C6H5CO2H) and ethanoic acid (CH3CO2H) are Ka (C6H5CO2H) = 6.46105 and Ka (CH3CO2H) = 1.76105 at 298 K.
Which of the following statements are correct about their conjugate bases? Select all that apply
A. The conjugate base of benzoic acid is a weaker weak base than the conjugate base of ethanoic acid.
B. The conjugate base of ethanoic acid is a strong base.
C. The conjugate base of benzoic acid is a stronger weak base than the conjugate base of ethanoic acid.
D. The conjugate bases of these two acids have the same strength.
E. The conjugate bases of benzoic acid and ethanoic acid are both weak bases.
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Elementary Principles of Chemical Processes
Authors: Richard M. Felder, Ronald W. Rousseau
3rd Edition
978-0471687573, 9788126515820, 978-0-471-4152, 0471720631, 047168757X, 8126515821, 978-0471720638
