Thymol blue is an acid–base indicator with a pH range of 8.0–9.6
CHEMISTRY · Subjective · A Level · Chemistry · Acids and bases · Acids and bases
Problem
Thymol blue is an acid–base indicator with a pH range of 8.0–9.6. It is yellow in acid solutions and blue in alkaline solutions. Suggest its pKa value and explain whether or not it is suitable to use for a titration between HCl and NH3.