KCET2018ChemistryElectrochemistry
The charge required for the reduction of ( 1 ) mole of ( MnO ₄ ⁻ )to ( MnO ₂ ) is
Options
- A( 1 ~F )
- B( 3 ~F )
- C( 5 ~F )
- D7 F
Correct answer
B. ( 3 ~F )
Step-by-step solution
According to the reaction ( MnO ₄⁻+4 H ⁺+3 e⁻ MnO ₂+2 H ₂ O ) ( 3 ~F ) of charge required to convert ( 1 ) mole of ( MnO ₄ ⁻ )to ( MnO ₂ )