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en.wikipedia.org/wiki/Phenolphthalein

Phenolphthalein is a chemical compound with the formula C20H14O4 and is often written as ... In strongly basic solutions, phenolphthalein's pink color undergoes a rather slow fading reaction and becomes completely colorless above 13.0 pH.

www.ch.ic.ac.uk/vchemlib/course/indi

Phenolphthalein is an example of an indicator which establishes this type of ... are used in titration solutions to signal the completion of the acid-base reaction.

pubs.acs.org/doi/pdf/10.1021/ed060p239

Phenolphthalein has been used as an acid-base indicator. Reaction of Phenolphthalein with Sulfuric Acid for a long time. I t shows a well-known color change ...

www.quora.com/How-do-I-write-a-chemical-equation-of-phenolphthalein-and-sodium-hydroxide

Phenolphthalein is basically an indicator used for the detection of a end point or we can say for ... When phenolphthalein is reacted with acid or neutral solution or water there is no reaction as phenol present in the structure is acidic in nature ...

www.digipac.ca/chemical/mtom/contents/chapter3/phenolphthalein.htm

Phenolphthalein. Phenolphthalein in acid (click to display its Chime image) This is the clear form of ... The acid base reaction of phenolphthalein. This allows the ...

pubchem.ncbi.nlm.nih.gov/compound/phenolphthalein

phenolphthalein | C20H14O4 | CID 4764 - structure, chemical names, physical ... allergic reactions including fixed-drug eruption, Stevens-Johnson syndrome ...

www.chemguide.co.uk/physical/acidbaseeqia/indicators.html

Phenolphthalein is another commonly used indicator for titrations, and is .... colour at exactly the pH of the equivalence point of the second stage of the reaction.

chemistry.elmhurst.edu/vchembook/186indicator.html

Phenolphthalein is an indicator of acids (colorless) and bases (pink). Sodium hydroxide is a ... The simplified reaction is: H+ + OH- --> HOH. As OH- ions are ...

www.ccri.edu/chemistry/courses/chem_1100/wirkkala/labs/Phenolphthalein_NaOH_Kinetics.pdf

phenolphthalein in basic solution is an excellent example of second order reaction kinetics. The structure of the colorless form of phenolphthalein ( C20H14O4) ...