could you help please in answering these question by simple way
(in this experiment a solution

of KMnO4 is prepared , standardized and used to determine the concentration of unknown iron solution )

1-  What are the similarities and differences between redox titration and acid-base titration?

2-Why the iron (II) chloride solution was prepared in sulfuric acid?

3- Why is an indicator not used in this redox titration?

4-One of the products of this reaction acts as a catalyst for the reaction. Which product is this? Propose a small test that can demonstrate what substance is acting as the catalyst?

5-Why is sulfuric acid added to the iron (II) solution prior to titration? Could   hydrochloric acid or nitric acid be used instead of sulfuric acid? Explain.

6- In this experiment, indicate the species that have been oxidized and the ones that have been reduced.

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