#A# and #C#, and #B# and #D#, are respectively #"conjugate acid/conjugate base pairs"#. Given that the equilibrium...?

Question

#A# and #C#, and #B# and #D#, are respectively #"conjugate acid/conjugate base pairs"#. Given that the equilibrium...

#A+BrightleftharpoonsC+D#

....lies to the LEFT as we face the page, which is the stronger base?

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Answer 1 · 2017-09-25T08:41:13

#"The stronger base is D"#.

#"Its conjugate acid is B"#

#"The species that dominate at equilibrium are A and B"# (the equilibrium lies on the side of the weaker acid).

The higher the #pK_a# the WEAKER the acid......and the stronger the conjugate base....