Question

solve this question .......

Answer 1

1 . B is the most reactive metal.
2.if B is added to sol of copper( II ) sulphate then it would displace copper.
3.the arrangement of metals in order of decreasing reactivity is :
B is grater than A, is greater than C,C is greater than D .
I hope it will help you .

Answer 2

3) a) B is the most reactive metal because it gives diaplace ment reaction with iron 2 sulphate.

B) If metal B is added to a solution of copper 2 sulphate , it will displace copper from the solution.

C) The metal A,B,C and D in the order of decreasing reactivity are:
B>A>C>D