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Phenolphthlalein is something like a pH indicator. When it is added to a liquid and the liquid turns pink, it means that the latter substance is basic.
When the solution is added with NaOH, it will turn pink.
Note that NaOH serves as a carbon dioxide neutralizer.
The color of the solution will slowly fade after some time, because carbon dioxide is present in the air neutralizing the color effect of the NaOH.
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What color does NaoH turn when phenolphthalein?
Pink
What chemical reaction between the phenolphthalein and NaOH?
Phenolphthalein turns pink as NaOH is a strong alkali
Can you use indicator other than phenolphthalein in the titration of NaOH?
Yes you can use methyl red, methyl orange, bromophenol blue and other indicators instead of phenolphthalein in the acid-base titration of NaOH.
Best indicator for lactic acid when titrated against standard NaOH?
phenolphthalein.
What is the color of lime water when phenolphthalein is added into lime water?
The color is pink with phenolphthalein.
What color does NaoH turn when phenolphthalein?
Pink
What chemical reaction between the phenolphthalein and NaOH?
Phenolphthalein turns pink as NaOH is a strong alkali
Can you use indicator other than phenolphthalein in the titration of NaOH?
Yes you can use methyl red, methyl orange, bromophenol blue and other indicators instead of phenolphthalein in the acid-base titration of NaOH.
Best indicator for lactic acid when titrated against standard NaOH?
phenolphthalein.
What is the color of lime water when phenolphthalein is added into lime water?
The color is pink with phenolphthalein.
In HCl and NaOH titration which indicator is used?
Phenolphthalein indicates red for acids and blue for bases.
What indicator can you choose for the titration of oxalic acid with sodium hydroxide?
Phenolphthalein, because NaOH is a strong base.
What color is an acin in phenolphthalein?
colorless.
Why phenolphthalein get colour on basic medium?
In a basic medium phenolphthalein changes color frompink to colorless.
Phenolphthalein change color when mixed with hydrochloric acid?
No, phenolphthalein remains colourless in the presence of an acid.
Why methyl orange is used instead of phenolphthalein in hcl and naoh titration?
This is so since the pH at the end point of Phenolphthalein is 9.1 and methyl orange is 3.7. For a strong acid strong base titration which the end point is between 3-11 phenolphthalein is used
Why is phenolphthalein indicator used?
Phenolphthalein is used as an indicator because the color of the solution is changed according to pH.
