1 Color change range of common indicators: methyl orange () phenolphthalein () litmus ()

1 Color change range of common indicators: methyl orange () phenolphthalein () litmus ()

Phenol red yellow 6.6-8.0 red Congo red blue 3.0-5.2 red methyl orange red 3.1-4.4 yellow phenolphthalein colorless 8.2-10.0 pink thymol blue yellow 8.0-9.6 blue litmus red 4.5-8.3 blue methyl purple yellow 0.0-1.6 purple blue malachite green yellow 0.2-1.8 blue green thymol blue red 1.2-2.8 yellow methyl...

Substances such as litmus and phenolphthalein that react with a solution of __ or _____ colors are called acid-base indicators

Substances such as litmus and phenolphthalein that react with solutions of acid or base and show a particular color are called acid-base indicators

Substances, such as litmus and phenolphthalein, that react with solutions of acid or show a particular color are called acid-base indicators