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Phenolphthalein - Wikipedia


Phenolphthalein has been used for over a century as a laxative, but ... to contain blood, commonly known as the Kastle-Meyer test.



Phenolphthalein is an organic compound (C20H14O4) used as an acid-base indicator. The compound is colorless in acidic solution and pinkish in basic ...

phenolphthalein | C20H14O4 - PubChem


phenolphthalein | C20H14O4 | CID 4764 - structure, chemical names, ... Phenolphthalein is an organic compound used as a laboratory reagent and pH indicator. ...... Available in white or yellow forms; the monosodium salt is the most common ...

Phenolphthalein Is A Commonly Used Indicator That ... | Chegg.com


Answer to Phenolphthalein is a commonly used indicator that is colorless in the acidic form (pH < 8.3) and pink in the basic form ...

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


Nov 25, 2015 ... Well, you may have used phenolphthalein as the indicator in a particular titration you .... Some other commonly employed indicators are bromothymol blue, thymol blue, alizarine yellow, methyl red, litmus and the list goes on].

homework - Why is phenolphthalein an appropriate indicator for ...


Mar 17, 2014 ... Why is phenolphthalein an appropriate indicator for titration of a strong acid ... Please explain based on the pH at the equivalence point and the transition range for phenolphthalein. .... How to use the iterator in Mathematica.

Acid-Base Indicators - Chemistry Department - Elmhurst College


The most common method to get an idea about the pH of solution is to use an acid base ... Phenolphthalein is an indicator of acids (colorless) and bases (pink).

acid-base indicators - Chemguide


Methyl orange is one of the indicators commonly used in titrations. ... Phenolphthalein is another commonly used indicator for titrations, and is another weak acid ...

What colour does phenolphthalein turn in acid? | Reference.com


Phenolpthalein is a chemical commonly employed as a pH indicator. It turns pink in ... use as an indicator. Phenolpthalein is also sometimes used as a laxative.

What is Phenolphthalein? (with pictures) - wiseGEEK


Phenolphthalein is a mild acid that can be used for medical and scientific purposes. When used in medicine, this compound is most commonly recognized as an ...