Question 18
Redox ReactionsHow many electrons are transferred in reducing one atom of Mn in the reaction MnO2 + 4HCl → MnCl2 + 2H2O + Cl2?
- A.2
- B.3
- C.4
- D.5.
Show the answer and explanation
Answer: A (2)
Explanation
Manganese changes from +4 in MnO2 to +2 in MnCl2, so each Mn atom gains 2 electrons.