Podcast
Questions and Answers
What color is methyl orange when it is in a solution that has a pH of 3.5?
What color is methyl orange when it is in a solution that has a pH of 3.5?
- Yellow
- Orange
- Pil (correct)
- Red
What color is methyl red when it is in a solution that has a pH of 5?
What color is methyl red when it is in a solution that has a pH of 5?
- Red
- Yellow (correct)
- Orange
- Pink
What color is phenolphthalein when it is in a solution that has a pH of 8.5?
What color is phenolphthalein when it is in a solution that has a pH of 8.5?
- Colorless
- Yellow
- Orange
- Pink (correct)
What color is thymolphthalein when it is in a solution that has a pH of 10.2?
What color is thymolphthalein when it is in a solution that has a pH of 10.2?
What color is bromthymol blue when it is in a solution that has a pH of 6.5?
What color is bromthymol blue when it is in a solution that has a pH of 6.5?
What color is bromocresol green when it is in a solution that has a pH of 4?
What color is bromocresol green when it is in a solution that has a pH of 4?
What is the pH range of methyl orange indicator?
What is the pH range of methyl orange indicator?
What is the pH range of methyl red indicator?
What is the pH range of methyl red indicator?
What is the pH range of phenolphthalein indicator?
What is the pH range of phenolphthalein indicator?
What is the pH range of thymolphthalein indicator?
What is the pH range of thymolphthalein indicator?
What is the pH range of bromthymol blue indicator?
What is the pH range of bromthymol blue indicator?
What is the pH range of bromocresol green indicator?
What is the pH range of bromocresol green indicator?
What is the name of the indicator that changes color from colorless to pink?
What is the name of the indicator that changes color from colorless to pink?
What is the name of the indicator that changes color from yellow to blue?
What is the name of the indicator that changes color from yellow to blue?
Flashcards
Methyl Orange pH Range
Methyl Orange pH Range
Methyl orange changes color between pH 3.1 and 4.5, from pink to yellow.
Methyl Red pH Range
Methyl Red pH Range
Methyl red changes color from pH 4.2 to 6.2, from pink to yellow.
Phenolphthalein pH Range
Phenolphthalein pH Range
Phenolphthalein changes color at a pH range of 8.3 to 10, from colorless to pink.
Thymolphthalein pH Range
Thymolphthalein pH Range
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Bromothymol Blue pH Range
Bromothymol Blue pH Range
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Bromocresol Green pH Range
Bromocresol Green pH Range
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Study Notes
pH Range and Color Change of Acid-Base Indicators
-
Methyl Orange:
- Color Change: Pink to Yellow
- pH Range: 3.1 - 4.5
-
Methyl Red:
- Color Change: Pink to Yellow
- pH Range: 4.2 - 6.2
-
Phenolphthalein:
- Color Change: Colourless to Pink
- pH Range: 8.3 - 10.0
-
Thymolphthalein:
- Color Change: Colourless to Pink
- pH Range: 9.3 - 10.5
-
Bromothymol Blue:
- Color Change: Orange to Blue
- pH Range: 6.0 - 7.5
-
Bromocresol Green:
- Color Change: Yellow to Blue
- pH Range: 3.8 - 4.6
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