   Chapter 15, Problem 77E

Chapter
Section
Textbook Problem

# Estimate the pH of a solution in which bromcresol green is blue and thymol blue is yellow. (See Fig. 14-8.)

Interpretation Introduction

Interpretation:

The pH of the solution in which bromocresol green is blue and thymol blue is yellow is to be determined.

Concept introduction:

The pH of a solution is define as a figure that expresses the acidity of the alkalinity of a given solution.

The pH of a solution is calculated by the formula, pH=log[H+]

To determine: The pH of the solution in which bromocresol green is blue and thymol blue is yellow.

Explanation

Explanation

Refer Fig- 14.8 .

The pH range of bromocresol green is 3.85.4 .

The color change occurs from yellow to blue color.

The pH range of thymol blue is 1.22.8 and 8.09.6 .

The solution is given to appear blue in bromocresol green and yellow in thymol blue.

Therefore, at a pH value of 5

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