1.

In balancing the half reaction \[{{S}_{2}}O_{3}^{2-}\to {{S}_{(s)}}\] the number of electrons that must be added is       [DPMT 2000]

A.        4 on the left      
B.        3 on the right
C.        2 on the left      
D.        2 on the right
Answer» B.        3 on the right


Discussion

No Comment Found

Related MCQs