Question
Question: In balancing the half reaction, \(S_{2}O_{3}^{2 -}\)® S(s), the number of electrons that must be add...
In balancing the half reaction, S2O32−® S(s), the number of electrons that must be added is –
A
2 on the right
B
2 on the left
C
3 on the right
D
4 on the left
Answer
4 on the left
Explanation
Solution
S2O32− ® 2S + 3H2O
+ 6H+
+ 4e–