Question

28. Sample of four metals A,B,C and D were taken and added to the following solution one
by one. The results obtained have been tabulated as follows.
Metal Iron(II) sulphate Copper (II) sulphate Zinc sulphate Silver nitrate
A No reaction Displacement
B Displacement
No reaction
с No reaction No reaction
No reaction Displacement
D No reaction No reaction No reaction No reaction
Use the above table to answer the following questions about metal A,B,C and D.
Which is the most reactive metal?
What would you observe if B is added to solution of Copper (II) sulphate?
Arrange the metals A,B,C and D in the order of decreasing reactivity
​

Answer 1

Answer:

d no reaction no reaction no reaction no reaction