How many electrons are transferred in the reduction of 1 mole of NO₃⁻ to NH₄⁺ in acidic medium?
NO₃⁻ + 10H⁺ + 8e⁻ → NH₄⁺ + 3H₂O . 8 electrons per mole.
Ref: NCERT Class 12 Chemistry > Chapter 2: Electrochemistry > Topic: Electrochemical Cells - Galvanic Cells and Electrode Potential