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What makes phenolphthalein turn alkali pink?
Phenolphthalein turns pink in the presence of a base or any solution with a ph over 7.
Do bases turn phenolphthalein clear?
no, acids do
When you add an acid to an alkali it changes to a neutral which colour change would this show with an indicator?
It depends on the indicator and there are quite a few. Methyl Red, Methyl orange and Phenolphthalein are 3 such acid-base indicators. If phenolphthalein is used as the indicator and added to the base it would immediately turn red/pink. As acid is titrated in, the red/pink will disappear and go colorless.
What is the color of phenol red at acidic pH?
Very strong acid solutions that have phenolphthalein added to them turn orange, but in general acidic solutions with phenolphthalein are colorless. If the solution is titrated to slightly basic (pH > 8.2) it will turn pink. Note that in extremely basic solutions (pH > 13) it will revert to colorless again.
What is the colour of phenolphthalein in salt water?
It will turn purple
Why does Phenolphthalein turn pink in potassium hydroxide solution?
phenolphthalein is a weak acid, when reacting with strong alkali it turns pink
What happens when you mix Sodium hydroxide and phenolphthalein?
it will turn pink. phenophathaline turns pink in alkaline ph
Is there a reaction between the ammonium hydroxide inside a plastic bag when immersed in a water with phenolphthalein?
If the phenolphthalein solution turns pink, that means that the plastic bag is permeable to ammonium hydroxide. If it remains colorless, then the plastic bag is not permeable to ammonium hydroxide. If the contents of the plastic bag turn pink, then the plastic bag is permeable to phenolphthalein. If everything remains colorless, then the bag is impermeable to both ammonium hydroxide and phenolphthalein.
When phenolphthalein is added to ammonium hydroxide is the color of the final solution is pink?
Phenolphthalein is an indicator often used in chemical titrations. Phenolphthalein is colorless in acidic solutions and turns pink in basic solutions. The more basic the solution the pinker the solution will become when Phenolphthalein is present.
What color does NaoH turn when phenolphthalein?
Pink
Do bases turn phenolphthalein pink?
No, acids do
When does phenolphthalein turn pink?
Phenolphthalein in acidic titrations,turns colorless and pink in basic solutions.
What is the chemical reaction of phenolphthalein and sodium hydroxide?
the solution will turn into pink(which will gradually fade afterwards because carbon dioxide is present in the air that neutralizes the color effect of the hydroxide..
What makes phenolphthalein turn alkali pink?
Phenolphthalein turns pink in the presence of a base or any solution with a ph over 7.
Phenolphthalein solution is used as an indicator of acids and bases. If added to an ammonia-based solution of window cleaner we would expect the solution to turn?
As ammonia solution is alkaline, about pH 11 - 12, the phenolphthalein will turn pink.
What would happen if I placed a Vial of phenolphthalein into a jar with ammonia?
Nothing will happen... but when you put a drop of the vial in the phenolphthalein, the phenolphthalein will turn into pink... It was just an observation that I saw in our experiment this afternoon
Will phenolphthalein turn pink in coca-cola?
No, Coke would have to have a PH of more than 10 to turn pink. Coke only has a PH of 3
