The pK_a is a reliable measure of the strength of an acid. Strong acids have larger pK_a values than weak acids.

Name: The pK a is a reliable measure of the strength of an acid. Strong acids have larger pK a values than weak acids.
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Quizplus · Accepted Answer

The pK_a is a measure of the strength of an acid, but strong acids have smaller pK_a values than weak acids because pK_a is the negative logarithm of the acid dissociation constant (K_a), and a larger K_a (stronger acid) results in a smaller pK_a.

The PKa Is a Reliable Measure of the Strength of an Acid

The PK_a Is a Reliable Measure of the Strength of an Acid