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Can reagent bromthymol blue or phenolphthalein could be considered to be an acid indicator?
Phenolphthalein is typically used as a base indicator as it changes color in the presence of bases. Bromthymol blue can be used as both an acid and a base indicator, with different color changes for each.
What is the function of bromthymol blue in CO2?
Bromthymol blue is used as an indicator to detect the presence of carbon dioxide (CO2) in a solution. It changes color in the presence of acidic conditions, which can indicate the presence of CO2 as it forms carbonic acid when dissolved in water.
What color is bromthymol blue when in a base?
Bromthymol blue is blue in a basic solution.
What happened to the distilled water in the beaker add 20 drops of bromthymol blue?
When 20 drops of bromthymol blue are added to distilled water in a beaker, the solution will change color depending on the pH level of the water. Bromthymol blue is a pH indicator that turns yellow in acidic conditions (pH below 6) and blue in basic conditions (pH above 7), while it remains green in neutral conditions (around pH 7). Since distilled water is typically neutral, the solution will likely appear green. However, if there are any impurities or if the water's pH is altered, the indicator may show a different color.
What will be except to happen to the color of the indicator as carbon dioxide is added?
the colour of the indicator will increase
When mixed with a drop of bromthymol blue what will cause the indicator to turn from blue to yellow?
An acidic solution will cause bromthymol blue to turn from blue to yellow. This color change occurs due to a change in the pH of the solution, with acidic conditions resulting in the indicator changing to a yellow color.
What is the color of ethanoic acid when added to universal indicator?
When ethanoic acid is added to universal indicator, it typically turns the solution a pink to red color, indicating that it is an acidic substance.
What color did universal indicator if it is added to weak alkali?
blue
What happens when bromthymol blue is exposed to CO2?
When bromothymol blue is exposed to CO2, it undergoes a color change. In the presence of CO2, bromothymol blue turns from blue to yellow due to the formation of carbonic acid. This color change can be used as an indicator for the presence of carbon dioxide.
What indicator has no color at all?
phenolphthalien when added to an acidic solution has a colourless indicator. but shows pink colour for basic solution.
What is the color of the indicator when an excess of hydrochloric acid has been added?
The indicator turns pink when an excess of hydrochloric acid has been added in a titration.
Is the indicator generally added to the titrant or the analyte in a titration?
Analyte is the indicator that is generally added in titration.
