What is the pronounce of phenolphthalein?

Break ‘phenolphthalein’ down into sounds: [FEE] + [NOL] + [THAY] + [LEE] + [IN] – say it out loud and exaggerate the sounds until you can consistently produce them. Record yourself saying ‘phenolphthalein’ in full sentences, then watch yourself and listen.

How do you pronounce lucerne hay?

Break ‘lucerne’ down into sounds: [LOO] + [SURN] – say it out loud and exaggerate the sounds until you can consistently produce them.

How to get the correct pronunciation of phenolphthalein?

Here are 4 tips that should help you perfect your pronunciation of ‘phenolphthalein’: Break ‘phenolphthalein’ down into sounds : [FEE] + [NOL] + [THAY] + [LEE] + [IN] – say it out loud and exaggerate the sounds until you can consistently produce them. Record yourself saying ‘phenolphthalein’ in full sentences, then watch yourself and listen.

How does phenolphthalein work as a reagent?

It is used medicinally as a cathartic. Phenolphthalein is an organic compound used as a laboratory reagent and pH indicator. Phenolphthalein exerts laxative effects by stimulating the intestinal mucosa and constricting smooth muscles.

What is the formula for phenolphthalein shorthand notation?

Infobox references. . Phenolphthalein is a chemical compound with the formula C 20 H 14 O 4 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.

When does phenolphthalein become completely colorless in OH 3?

IndicatorEdit. In strongly basic solutions, phenolphthalein’s pink color undergoes a rather slow fading reaction and becomes completely colorless above 13.0 pH. The rather slow fading reaction that produces the colorless In (OH) 3− ion is sometimes used in classes for the study of reaction kinetics.