Following table represents the type of reactions of three metals with various solutions.
|
Metal |
lron (II) Sulphate |
Copper (II) Sulphate |
Zinc Sulphate |
|
A |
No reaction |
Displacement |
Not known |
|
B |
No reaction |
No reaction |
No reaction |
|
C |
Displacement |
Not known |
No reaction |
Which of the following represents the correct order of reactivity of metals A, B, C
1
C > A > B
2
B > C > A
3
B > A > C
4
A > C > B