NEETChemistryRedox Reactions
How many moles of electrons are transferred when 4 moles of sodium (Na) react completely 2 Na(s) + H 2 (g) → 2 NaH (s) ?
Options
- A1 mole
- B2 moles
- C4 moles
- D8 moles
Correct answer
C. 4 moles
Step-by-step solution
For each mole of sodium reacting, 2 moles of electrons are transferred. Therefore, for 4 moles of sodium, 4 x 2 = 8 moles of electrons are transferred.