Metal | Iron (II) sulphate | Copper (II) sulphate | Zinc sulphate | Silver nitrate |
A | No reaction | Displacement | - | - |
B | Displacement | - | - | - |
C | No reaction | No reaction | No reaction | Displacement |
D | No reaction | No reaction | No reaction | No reaction |
Answer:
(a) B
is the most active metal as it displaces iron from its salt
solution. (1)
(b) B will displace Cu from because B is more reactive
than copper. (1)
(c) D < C < A < B
(1)
(d) Container of metal D can be used to store both and solutions,
because it cannot displace Zn and Ag from their salt solutions. (1)
(e) can be stored in a
container made up of any of these metals. (1)
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