Which of the following statements is/are true of a good acid-base indicator. 1. it is a weak acid whose conjugate base has a different colour in basic solution. 2. It changes colour over a narrow range of pH 3. It has a different colour at the end point of an acid-base titration.
Which of the following statements is/are true of a good acid-base indicator. 1. it is a weak acid whose conjugate base has a different colour in basic solution. 2. It changes colour over a narrow range of pH 3. It has a different colour at the end point of an acid-base titration.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:42.
Which of the following statements is/are true
of a good acid-base indicator.
1. it is a weak acid whose conjugate base
has a different colour in basic solution.
2. It changes colour over a narrow range of
pH
3. It has a different colour at the end point
of an acid-base titration.
Transcribed Image Text:Directions summarised
A
B
1,2,3
1,2
2,3
Only
All
Only
Only
correct
correct
correct
correct
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