nothailz5049 nothailz5049
  • 12-06-2018
  • Chemistry
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Why do you think some of the indicators used in experiment 2 were different than the ones used in experiment 1?

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ChemistryHelper2024
ChemistryHelper2024 ChemistryHelper2024
  • 21-06-2018

During selection of indicator. We choose an indicator which have pH range equivalent to the pH change of reaction to give better result and better observation.

So there are some different indicator are used in table 2 as compared to the table 1. 

- Alizarin and phenolphthalein are basic indicator and their pH range is more than 8 so they are used in table 2

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