Teaching UP TGT Mock Test Series 2025 Chemistry Electrochemistry Electrolytic Cells and Electrolysis
Given below are the half-cell reaction:
Mn2+ + 2e– → Mn, E° = –1.18 V
2(Mn3+ + e– → Mn2+) ; E° = +1.51 V
The E° for 3Mn2+ → Mn + 2Mn3+ will be
1
–0.33 V; the reaction will not occur
2
–0.33 V; the reaction will occur
3
–2.69 V; the reaction will not occur
4
–2.69 V; the reaction will occur