1.

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»

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.



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