Which of the given statements are CORRECT for an indicator that ionizes as shown below (Ka=1.0 x 10-4)? (1) The predominant color in its acid range is yellow. (2) In the middle of the pH range of its color change a solution containing the indicator will probably be orange. (3) At pH = 7.00, a solution containing this indicator (and no other colored species) will be red. (4) At pH = 7.00, most of the indicator is in the un-ionized form. (5) The pH at which
Which of the given statements are CORRECT for an indicator that ionizes as shown below (Ka=1.0 x 10-4)? (1) The predominant color in its acid range is yellow. (2) In the middle of the pH range of its color change a solution containing the indicator will probably be orange. (3) At pH = 7.00, a solution containing this indicator (and no other colored species) will be red. (4) At pH = 7.00, most of the indicator is in the un-ionized form. (5) The pH at which
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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Which of the given statements are CORRECT for an indicator that ionizes as shown below (Ka=1.0 x 10-4)?
(1) The predominant color in its acid range is yellow.
(2) In the middle of the pH range of its color change a solution containing the indicator will probably be orange.
(3) At pH = 7.00, a solution containing this indicator (and no other colored species) will be red.
(4) At pH = 7.00, most of the indicator is in the un-ionized form.
(5) The pH at which the indicator changes color is pH = 4.
Transcribed Image Text:HIn
H20 → H30*
In
+
Yellow
red
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