NEETChemistryElectrochemistry
For the electrode reactions of Mg2+ and Al3+, how many moles of electrons are required, respectively?
Options
- A1 mole and 1 mole
- B1 mole and 2 moles
- C2 moles and 3 moles
- D2 moles and 4 moles
Correct answer
C. 2 moles and 3 moles
Step-by-step solution
For the electrode reaction of Mg2+, 2 moles of electrons (2F) are required, and for the electrode reaction of Al3+, 3 moles of electrons (3F) are required.