RE-NEET Chemistry Redox Reactions Class 11 Questions

Given below are two statements: Statement-I: Heating NaCl with concentrated H₂SO₄ and MnO₂ results in oxidation of Mn. Statement-II: Heating NaI with concentrated H₂SO₄ and MnO₂ results in reduction of Mn. In light of the above statements, choose the most appropriate answer from the options given below:

In an acidic medium, 10 mL of 0.25 M oxalic acid is titrated with KMnO₄ solution. If the volume of KMnO₄ solution required to reach end point is 10 mL, the strength of the KMnO₄ solution is

The oxidation states not shown by Mn in given reaction is: 3MnO₄²⁻ + 4H⁺ ⟶ 2MnO₄⁻ + MnO₂ + 2H₂O