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Questions and Answers
What is the oxidation state of Manganese in Potassium Permanganate?
What is the oxidation state of Manganese in Potassium Permanganate?
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Why is dilute sulphuric acid added to the KMnO4 solution during the titration?
Why is dilute sulphuric acid added to the KMnO4 solution during the titration?
To prevent the formation of an intermediate oxidation state (+4) and to ensure the complete reduction of Mn.
What is the purpose of adding dilute H2SO4 to the Iron tablet titration?
What is the purpose of adding dilute H2SO4 to the Iron tablet titration?
To prevent Fe(2+) from being oxidised to Fe(3+) by air and to ensure the complete reduction of Mn.
What is the ratio of MnO₄⁻ to Fe²⁺ in the redox reaction?
What is the ratio of MnO₄⁻ to Fe²⁺ in the redox reaction?
What is the colour change observed during the titration of Potassium Permanganate vs. Ammonium Iron(II) Sulfate?
What is the colour change observed during the titration of Potassium Permanganate vs. Ammonium Iron(II) Sulfate?
What is the role of Iron tablets in medicine?
What is the role of Iron tablets in medicine?
What is the reducing agent in the redox reaction between Potassium Permanganate and Ammonium Iron(II) Sulfate?
What is the reducing agent in the redox reaction between Potassium Permanganate and Ammonium Iron(II) Sulfate?
What ions in tap water would interfere with the experiment, and why must they be avoided?
What ions in tap water would interfere with the experiment, and why must they be avoided?
What is the purpose of excess potassium iodide in the iodine solution, and how does it achieve this?
What is the purpose of excess potassium iodide in the iodine solution, and how does it achieve this?
What is the role of starch indicator in the experiment, and when is it added?
What is the role of starch indicator in the experiment, and when is it added?
What is the active ingredient in bleaches?
What is the active ingredient in bleaches?
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