500 mL of a 0.05 M Mohr salt solution required the same volume of permanganate solution…

Chemistry · JEE Advanced · NTA Exams — Some Basic Concepts in Chemistry

1. The molarity of KMnO₄ must be 0.01 M if the medium is acidic
2. The molarity of KMnO₄ must be 1 M if the medium is basic.
3. The medium has no role to play in redox reaction.
4. In the above reaction Fe(II) is oxidized to Fe(III) irrespective of medium.

Answer

(A) The molarity of KMnO 4 must be 0.01 M if the medium is acidic, (D) In the above reaction Fe(II) is oxidized to Fe(III) irrespective of medium.

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