When performing chemical reactions, we might sometimes want to know if a desired endpoint has been reached. So, chemical indicators undergo color changes that indicate a change in the acidity or alkalinity of substances.
- When chemical indicators are added during reactions, visible color changes are seen that indicate that a certain threshold has been reached. In titrations, chemical indicators are used to indicate endpoints.
- The changes produced when an indicator is added can tell whether the substance is acidic or alkaline.
- Methyl orange and phenolphthalein are common indicators used in titration.
- So, indicators help to indicate endpoints during titration.
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