A hydrogen electrode placed in a solution containing sodium acetate and acetic acid in the ratio of
Channel: Doubtnut
Date: 2020-07-12

A hydrogen electrode placed in a solution containing sodium acetate and acetic acid in the ratio of `x:y` and `y:x` has an electrode potential value `E_(1)` and `E_(2)` volts, respectively, at `25^(@)C`. The `pK_(a)` value of acetic acid is