Different acid-base indicators & their color changes depending on the pH Flashcards
1
Q
Methyl violet
pH?
A
0-1
1.5
2
Q
Methyl violet
color?
A
Yellow to violet
3
Q
Thymol blue
pH? (acid range)
A
1-2
2.5
4
Q
Thymol blue
pH? (base range)
A
8-9
9.5
5
Q
Thymol blue
color? (acid range)
A
Red to yellow
6
Q
Thymol blue
color? (base range)
A
Yellow to blue
7
Q
Methyl orange
pH?
A
3-4
4.5
8
Q
Methyl orange
color?
A
Red to yellow orange
9
Q
Bromcresol green
pH?
A
3-6
overreached 3, almost 6
10
Q
Bromcresol green
color?
A
Yellow to blue
11
Q
Methyl red
pH?
A
4-6
4, almost 6. or 6
12
Q
Methyl red
color?
A
Red to yellow
13
Q
Chlorphenol red
pH?
A
5-7
overreached 5, almost 7
14
Q
Chlorphenol red
color?
A
Yellow to Red
15
Q
Bromthymol blue
pH?
A
6-almost 8
