Phenolphthalein is a chemical compound with the formula C20H14O4 and is often written as "HIn" or "phph" in shorthand notation. Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions. ...
Is phenolphthalein acidic or basic? Phenolphthalein is an organic compound with the chemical formula C20H14O4, which is a weak acid and can be used as an indicator for acid-base titration. In acidic solution, this compound is colorless. It is pink in simple solution (transition occurs around...
Phenolphthalein is colorless in acidic solutions and turns pink in basic solutions. Safety Profile Confirmed carcinogen. US Food and Drug Administration recommends removal from laxative formulations. Moderately toxic by intraperitoneal route. Human systemic effects: changes in urine composition, gastritis, na...
Phenolphthalein is a chemical compound with the formula C20H14O4 and is often written as "HIn" or "phph" in shorthand notation. Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions. ...
71K Learn about acid-base indicators. Understand what acid-base indicators are, how they work to determine if a solution is acidic or basic, and see the examples. Related to this QuestionWhat is the function of the indicator phenolphthalein? Explain the purpose of adding excess hydroxide compa...
In− HInacidic from⇔H+In−basic from pH=pKIn+log.[I][HIn] pKIn±1. View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths Cengage Solutions for Maths DC Pandey Solutions for Physics ...
acid-base indicator- an indicator that changes color on going from acidic to basic solutions Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc. Want to thank TFD for its existence?Tell a friend about us, add a link to this page, or visitthe...
Preparation of Phenolphthalein: it is prepared by condensation of phthalic anhydride with two equivalents of phenol under acidic conditions. Uses of Phenolphthalein: it is used to produce 2-(4,4'-dihydroxy-benzhydryl)-benzoic acid. The reaction occurs with reagent zinc, sodium hydroxide and solvent...
Learn more about this topic: Acid-Base Indicator | Definition, Concept & Examples from Chapter 11 / Lesson 11 71K Learn about acid-base indicators. Understand what acid-base indicators are, how they work to determine if a solution is acidic or ...
acid-base indicator- anindicatorthatchangescolorongoingfromacidictobasicsolutions BasedonWordNet3.0,Farlexclipartcollection.©2003-2012PrincetonUniversity,FarlexInc. Want to thank TFD for its existence?Tell a friend about us, add a link to this page, or visitthe webmaster's page for free fun cont...