An acid-base indicator which is a weak acid has a `pK_(a)` value `=5.5`. At what concentration ratio
Channel: Doubtnut
Date: 2020-01-19

An acid-base indicator which is a weak acid has a `pK_(a)` value `=5.5`. At what concentration ratio of sodium acetate to acetic acid would the indicator show a colour half-way between those of its acid and conjugate base forms?