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Bromothymol blue turns yellow in acidic solutions because the acidic environment shifts the equilibrium of the dye towards its protonated form, which has a yellow color. In acidic conditions, the presence of excess H+ ions cause the dye to change color from blue to yellow.

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1y ago

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When will Bromthymol blue turn yellow?

Bromthymol blue turns yellow in acidic conditions with a pH below 6.0.


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.


How do you think bromothymol blue solution works?

Bromthymol Blue, when heated in a solution, indicates carbon dioxide. If there is carbon dioxide in the solution, it will turn bright yellow (when heated).


Why did the color of the Bromthymol Blue (BTB) solution change in certain test tubes?

if the bromthymol blue changed back to blue from a different color that means that different atoms of another element were in the air. if you tested the bb in a test tube and say it was turned yellow and then overnight it turned back to blue-green then it would mean that a certain amount of oxygen went into the test tube to reverse the change. if there was lots of oxygen in the air then the bb would turn completely blue since bb is not really blue but a weird green color.


What might cause bromthymol blue to turn murky green?

Bromothymol blue is a pH indicator that turns green in neutral solutions. If the solution becomes more acidic or basic, it can cause the color to shift towards yellow or blue, respectively. Contaminants or impurities in the solution can also affect the color change.


What causes black dyed hair to turn green?

Bleaching you hair because black dye has alot of blue in it. Yellow and blue makes green.


What causes fingernails to turn yellow?

dirt


What causes legs to turn yellow?

yello paint


What causes a nose to turn blue?

alcohol


What color yellow and blue mix?

Mixing yellow and blue will usually result in green. The specific shade of green will depend on the ratios of yellow and blue used in the mixture.


What causes an onion to turn blue?

Blue food coloring. .


What colour does yellow litmus paper turn in alkaline substances?

Yellow litmus paper turns blue in alkaline substances.