MHT CET202519 Apr 2025Evening ShiftChemistryElectrochemistryActual
What is the number of faraday required to form 1 ~mol~ H ₂ by reduction of H ⁺ ions?
Options
- A4
- B2
- C0.5
- D1
Correct answer
B. 2
Step-by-step solution
Faradays required to form 1 mol H ₂ via H ⁺ reduction. The reduction half-reaction is: 2 H ⁺ + 2 e ⁻ H ₂ This indicates that 2 moles of electrons are consumed per mole of H ₂ produced. Since 1 Faraday corresponds to the charge of 1 mole of electrons, 2 Faradays are required. Answer: B