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we can prepare phenol phtahaline in lap from;
1-salicylic acid by:
part of salysilic acid pw+phthalic anhydride+c.h2so4(heat&fusion) ـ<ــــــــــــــــــــــــــthen cool&pour in 10%NaOH.............>PINK COLOR...
or:
2-by phenol... by the same method...
3-or by resorcinol by the same method...
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∙ 11y ago
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Which is more polar bromophenol blue or phenolphthalein?
phenolphthalein
What is phenolphthalein made of?
Phenolphthalein is made up of, H20, C14, O4,
Is phenolphthalein a compound?
Yes, phenolphthalein is a compound with the molecular formula C20H14O4.
What is the color of lime water when phenolphthalein is added into lime water?
The color is pink with phenolphthalein.
What happens when water is added to phenolphthalein?
Phenolphthalein dissolves in water to get a clear transparent solution.
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.
Why phenolphthalein get colour on basic medium?
In a basic medium phenolphthalein changes color frompink to colorless.
Phenolphthalein goes what colour in a base?
Phenolphthalein turns pink in a base and turns colourless in a base
What chemical reaction between the phenolphthalein and NaOH?
Phenolphthalein turns pink as NaOH is a strong alkali
Phenolphthalein change color when mixed with hydrochloric acid?
No, phenolphthalein remains colourless in the presence of an acid.
Why does hydrochloric acid change phenolphthalein purple to colorless?
we know that hcl is an acid and acids change purple phenolphthalein to colourless. So HCL changes purple phenolphthalein to colourless
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
