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Phenolphthalein

en.wikipedia.org/wiki/Phenolphthalein

Phenolphthalein /ˌfiːnɒlfˈθeɪliːn/ is a chemical compound with the formula C20H14O4 ... because of the reaction with carbon dioxide. Thymolphthalein is used for th...

what is the function of phenolphthalein as an indicator in titration ...

answers.yahoo.com/question/?qid=20090104074709AA8qTEr

Jan 4, 2009 ... Best Answer: Phenolphthalein is a weak acid. The weak acid is colourless and its ion is bright pink. Adding extra hydrogen ions shifts the ...

phenolphthalein | C20H14O4 - PubChem

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

Phenolphthalein is an organic compound used as a laboratory reagent and pH indicator. Phenolphthalein exerts laxative effects by stimulating the intestinal ...

What is the function of phenolphthalein in titration - Answers

www.answers.com/Q/What_is_the_function_of_phenolphthalein_in_titration

to determine the end point of titration.

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

link.springer.com/content/pdf/10.1007/BF01072465.pdf

Effect of Phenolphthalein on the Function and Structure of Rodent and Human. Intestine. D. R. SAUNDERS, MD, J. SILLERY, BS, C. SURAWICA, MD, and G. N.  ...

acid-base indicators - Chemguide

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

Phenolphthalein is another commonly used indicator for titrations, and is ... the reason for the colour changes in methyl orange and phenolphthalein, they are ...

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

link.springer.com/article/10.1007/BF01072465

Abstract. 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 ...

ACID_BASE INDICATORS

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

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

PHENOLPHTHALEIN - (77-09-8) - Physical Properties • Chemical ...

chemistry-reference.com/q_compounds.asp?CAS=77-09-8

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

www.ask.com/youtube?q=Function of Phenolphthalein&v=kZhi1FXXYXg
Dec 1, 2011 ... Phenolphthalein Structure Function Relationship ... AP Chemistry Lab 11 - Phenolphthalein as a pH Indicator - Duration: 2:13. wardsci 35,690 ...
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What is the function of an indicator in a titration? | Reference.com

www.reference.com

The function of an indicator in a titration process is to determine the ... examples of pH indicators are methyl orange, methyl red, phenol red and phenolphthalein.

Why do we use phenolphthalein as an indicator in titration? - Quora

www.quora.com

Nov 25, 2015 ... Well, you may have used phenolphthalein as the indicator in a particular titration you ... Well, the function's in the name: it serves to indicate to the experimenter that a certain point in the reaction has been reached. What that ...

Acid-Base Indicators - Chemistry Department - Elmhurst College

chemistry.elmhurst.edu

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  ...