Question

Samples 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
Cooper (II) sulphate
Zinc sulphate
Silver nitrate

A. No reaction-Displacement
B. Displacement- No reaction
C. No reaction- No reaction- No reaction- Displacement
D. No reaction- No reaction- No reaction- No reaction

Use the Table above to answer the following questions about metals A, B, C and D.
(i) Which is the most reactive metal?
(ii) What would you observe if B is added to a solution of copper (II) sulphate?
(iii) Arrange the metals A, B, C and D in the order of decreasing reactivity.

Answer 1

as every element in this question is in reactivity series then , we should follow that .

reactivity series :

K , Na ,Li ,Ka ,Mg , Al ,Zn ,Fe ,Sn ,Pb , Cu , Hg ,Ag ,Au ,Pt.

Answer 2

Answer:a) displacement

b) container of metal D

c) MgSo4

Bcz it cannot react

Explanation: