What is the standard emf of a cell with the reaction Mn(s) + Hg²⁺(aq) → Mn²⁺(aq) + Hg(l) ? (Given: E°Mn²⁺/Mn = -1.18 V ,
E°cell = E°cathode - E°anode = 0.85 - (-1.18) = 2.03 V .
Ref: NCERT Class 12 Chemistry > Chapter 2: Electrochemistry > Topic: Variation of Conductivity with Concentration and Measurement