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Phenolphthalein is often used as an indicator in acid–base titrations. ... Thymolphthalein is used for the same purpose and in the same way, when a blue color is ...

Effect of phenolphthalein on the function and structure of rodent and ...


Am J Dig Dis. 1978 Oct;23(10):909-13. Effect of phenolphthalein on the function and structure of rodent and human intestine. Saunders DR, Sillery J, Surawica C  ...

?The Function Of Phenolphthalein In Both Experiments ... | Chegg.com


The function of phenolphthalein in both experiments was to: A. signal when the NaHSO3 was gone. B. signal when the NaOH was gone. C. cause the HCHO ...

Phenolphthalein Definition - Glossary of Chemistry Terms


This is the definition of phenolphthalein. ... Phenolphthalein Definition. This is the chemical structure of phenolphthalein. - Ben Mills/PD. This is the chemical ...

Acid-Base Indicators - Chemistry Department - Elmhurst College


Phenolphthalein is an indicator of acids (colorless) and bases (pink). Sodium hydroxide is a base, and it was in the pitcher at the beginning, so when added to  ...



Phenolphthalein is a colourless, weak acid which dissociates in water forming pink anions. Under acidic conditions, the equilibrium is to the left,and the ...

acid-base indicators - Chemguide


Phenolphthalein is another commonly used indicator for titrations, and is another weak acid. In this case, the weak acid is colourless and its ion is bright pink.

PHENOLPHTHALEIN - Chemistry-Reference.com!


Physical and chemical properties, including bonding and thermodynamic values for phenolphthalein.

Effect of phenolphthalein on the function and structure of ... - Springer


Phenolphthalein (PHE) is the active ingredient in at least 12 over-the-counter laxative preparations. It is alleged to have a minor effect in the small intestine ...

Why is phenolphthalein an appropriate indicator for titration


Mar 17, 2014 ... Why is phenolphthalein an appropriate indicator for titration of a strong acid with a strong .... What does it mean to "poison a function" in C++?

Popular Q&A
Q: What is th function of phenolphthalein in titration?
A: To indicate when the substance has been neutralized. Read More »
Source: wiki.answers.com
Q: What is the function of indicator just like phenolphthalein in th...
A: Phenolphthalein is a weak acid. The weak acid is colourless and its ion is bright pink. Adding extra hydrogen ions shifts the position of equilibrium to the lef... Read More »
Source: answers.yahoo.com
Helpful Resources

What is the role of phenolphthalein indicator in titration of ...


May 14, 2011 ... Please help and explain the role of the phenolphthalein indicator in this acid- base titration. Does it have anything to do with pH? Please ...

What is the function of phenolphthalein in titration - Answers.com


What is phenolphthalein used in titration labs? Phenolphtalein is an indicator used to find the endpoint of a reaction (specifically an acid-base reaction). It has a ...

phenolphthalein | C20H14O4 - PubChem


phenolphthalein | C20H14O4 | CID 4764 - structure, chemical names, physical and chemical ... However, not all incinerators are suitable for this purpose.