NEET 2022 Chemistry question
Given below are half cell reactions:
MnO_+8H^{+}+→Mn^{2+}+4H_2O, E^=-1.510\ V
12O_2+2H^{+}+→H_2O, E^=+1.223\ V
Will the permanganate ion, liberate from water in the presence of an acid?
Answer: (B)
Solution
Reduction potential of MnO is V, so V (spontaneous).