Table of Indicator Colour Changes pH Indicator 3 4 5 6 7 8 9 10 11 12 Bromophenol blue Yellow 3.0 – 4.6 Purple/blue Methyl red Red 4.2 – 6.2 Yellow Bromocresol Yellow 5.2 – 6.6 Purple purple Bromothymol blue Yellow 6.0 – 7.6 Blue Phenol red Yellow 6.4 - 8.2 Rod Phenolphthalein Colourless 8.0 – 10.0 Red Thymolphthalein Colourless 9.4 – Blue 10.6 HIn In (colour A) (colour B)
Table of Indicator Colour Changes pH Indicator 3 4 5 6 7 8 9 10 11 12 Bromophenol blue Yellow 3.0 – 4.6 Purple/blue Methyl red Red 4.2 – 6.2 Yellow Bromocresol Yellow 5.2 – 6.6 Purple purple Bromothymol blue Yellow 6.0 – 7.6 Blue Phenol red Yellow 6.4 - 8.2 Rod Phenolphthalein Colourless 8.0 – 10.0 Red Thymolphthalein Colourless 9.4 – Blue 10.6 HIn In (colour A) (colour B)
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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Each indicator gradually changes colour over a range of about how many pH units?

Transcribed Image Text:Table of Indicator Colour Changes
pH
Indicator
1
2
3
4
5
6
7
8
10
11
12
Bromophenol blue
Yellow
3.0 – 4.6
Purple/blue
Methyl red
Red
4.2 – 6.2
Yellow
Bromocresol
Yellow
5.2 – 6.6
Purple
purple
Bromothymol blue
Yellow
6.0 – 7.6
Blue
Phenol red
Yellow
6.4 – 8.2
Red
Phenolphthalein
Colourless
8.0 – 10.0
Red
Thymolphthalein
Colourless
9.4 –
Blue
10.6
HIn
In
(colour A)
(colour B)
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