Question

what is colour change interval of an acid base indicator ? Give it's importance​

Answer 1

Answer:

The pH range between 3.1 (red) and 4.4 (yellow) is the color-change interval of methyl orange; the pronounced color change takes place between these pH values. Many different substances can be used as indicators, depending on the particular reaction to be monitored.

Acid-base indicators are important because they help chemists get an estimate of the pH value of a given substance. ... Acid-base indicators are usually weak acids or bases and are able to respond to changes in the hydrogen ion concentration of an unknown substance.

Answer 2

Answer:

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Explanation:

Bromophenol blue has a color of yellow for acids and blue-violet for bases. The beauty of seeing a color change is the ability to relate this visual to the pH of the solution. pH refers to a numerical scale that tells you whether a solution is acidic or basic.