Chemistry, asked by imma3466, 1 year ago

Why we use diphenylamine as a indicotor in iron analysis?

Answers

Answered by shubhamkp2506
0
Diphenylamne is used as an indicatorbecause it shows a very clear color change from green to violet when end point of the titration is reached. Usually phosphoric acid is added to the Fe2+ solution (ferrous ammonium sulfate) if that is the reductant that is being titrated, so that the Fe3+ product may be stabilized.

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Answered by khanruhi905
1

Diphenylamne is used as an indicator because it shows a very clear color change from green to violet when end point of the titration is reached. Usually phosphoric acid is added to the Fe2+ solution (ferrous ammonium sulfate) if that is the reductant that is being titrated, so that the Fe3+ product may be stabilized.

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