Chapter 14, Problem 15ST

Interpretation Introduction

Interpretation:

The color of the solution that contains $10\text{ mL}$ of an acid, $1$ drop of phenolphthalein, and $1$ drop of bromthymol indicator is to be stated.

Concept introduction:

Indicators are used to check whether the given solution is acidic basic or neutral in nature. The common indicators are methyl orange, litmus, bromthymol, and phenolphthalein. Phenolphthalein turns pink in alkaline medium. Phenolphthalein does not change its color in acidic medium and neutral medium.