Introduction | Indicator choice | Key points | Learning Check |
Learning Check
Use the Indicator Explorer applet to choose the best indicator for each of the titrations in the table underneath the applet.
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Titration Display Ethylamine added to HCl Bromophenol blue Bromocresol green Methyl red Bromothymol blue Phenol red Choose an indicator and then press the Check button NaOH added to methanoic acid Bromothymol blue Phenol red Thymol blue Phenophthalein Alizarin yellow R Choose an indicator and then press the Check button Dimethylamine added to chloroethanoic acid Bromothymol blue Phenol red Thymol blue Phenophthalein Alizarin yellow R Choose an indicator and then press the Check button
Bromophenol blue Bromocresol green Methyl red Bromothymol blue Phenol red
Bromothymol blue Phenol red Thymol blue Phenophthalein Alizarin yellow R