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What does acid do to thymol blue?
Acid turns thymol blue from blue to yellow. This color change is due to the change in the chemical structure of thymol blue in response to the acidic conditions.
What is the colour of universal indicator solution in a neutral solution?
The color of universal indicator solution in a neutral solution is green.
What is the absorbance value for thymol?
thymol blue 436, 545 and 595 nm
Bromothymol blue is used in scientific experiments as a?
pH indicator to visually determine the acidity or basicity of a solution. It changes color from yellow to blue depending on the pH of the solution.
What does universal indicator contain?
Universal indicator is a mixture of several different dyes that change color in response to different pH levels. This allows it to provide a visual indication of the acidity or alkalinity of a solution across a wide range of pH values.
How does thymol blue react with an base?
Thymol blue is a pH indicator that changes color depending on the acidity or basicity of a solution. In the presence of a base, thymol blue will change from yellow to blue. It is commonly used in titrations to determine the endpoint of a reaction with a base.
How do you prepare thymol blue indicator?
To prepare thymol blue indicator solution, dissolve 0.1 g of thymol blue powder in 100 ml of distilled water or ethanol. Mix well until the powder is completely dissolved. Adjust the pH of the solution to the desired range using acid or base as needed.
Why is phenolphthalein a better indicator than thymol blue?
Phenolphthalein is a better indicator than thymol blue for acid-base titrations because phenolphthalein changes color at a pH range of 8.2-10, which coincides with the endpoint of many acid-base reactions. Thymol blue, on the other hand, changes color at a pH range of 8.0-9.6, which may not be as precise for determining the endpoint.
What color is bromophenol blue?
Bromophenol blue is a pH indicator dye that changes color depending on the acidity of the solution. In an acidic environment, it appears yellow, while in a neutral to alkaline environment, it appears blue.
What does acid do to thymol blue?
Acid turns thymol blue from blue to yellow. This color change is due to the change in the chemical structure of thymol blue in response to the acidic conditions.
Why is thymol blue used as the indicator for titration of acetic acid and naoh?
Thymol blue changes color in the pH range of 8.0 to 9.6, making it suitable for titrations involving acetic acid (pKa ~ 4.75) and sodium hydroxide. At the equivalence point of the titration, the pH is around 8.5, which falls within the indicator's color change range, allowing for a sharp color transition at the endpoint.
What indicator's could be used to produce a color change at both PH 2 and PH?
thymol blue,cresol red,and universal indicatior
What is the colour of universal indicator solution in a neutral solution?
The color of universal indicator solution in a neutral solution is green.
What colour would thymol blue go if hydrochloric acid was added?
Thymol blue changes color in the presence of acid or base. If hydrochloric acid is added, thymol blue would turn yellow due to the acidic environment.
What is the absorbance value for thymol?
thymol blue 436, 545 and 595 nm
The name of the plant which universal indicator is made of?
From wikipedia: A universal indicator is typically composed of water, methanol, propan-1-ol, phenolphthalein sodium salt, methyl red, bromothymol blue monosodium salt, and thymol blue monosodium salt
Which indicator is blue in a solution that has a pH of 5.6?
Bromothymol blue is blue in a solution with a pH around 5.6.
