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Redox Reactions — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryRedox Reactions1 Mark
MCQ
Which of the following solution is strongest oxidizing agent?
  • A
    $\text{MnO}_4^- $ in acidic medium.
  • B
    $\text{MnO}_4^-$ in basic medium.
  • C
    $\text{MnO}_2$ in basic medium.
  • D
    $\text{CrO2}_4^-$ in basic medium.
✓

Answer

  1. $\text{MnO}_4^-$ in basic medium.

Explanation:

$\text{MnO}_4^-+3\text{e}^-+2\text{H}_2\text{O}\xrightarrow{ \ \ \ \ \ \ \ \ }\text{MnO}_2+4\text{OH}^-$

E° = 1.69V, which is highest.

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