Which of the following is/are the redox reactions?
A. O2 + 2H2 → 2H2O
B. Na + H2O → NaOH +1/2H2
C. MnCl3 → MnCl2 + 1/2Cl2
1
A only
2
B and C
3
C only
4
A, B and C
Which of the following is/are the redox reactions?
A. O2 + 2H2 → 2H2O
B. Na + H2O → NaOH +1/2H2
C. MnCl3 → MnCl2 + 1/2Cl2