Question

14. Sample pieces of five metals A, B, C, D and E were added to the tabulated solutions separately. The results observed are shown in the table : Metal FeSo4 CuSO4 ZnSO4 AgNO3 Al (SO4) A No Change No Change No Change Coating No Change on metal B Grey Deposit Brown coating No Change Coating No Change On metal on metal on metal C No Change No Change No Change No change No Change D No Change No Change Coating on No Change metal E Brown coating New coating New coating No Change Based on the observations recorded in the table, and answer the following: (1) Which is the most reactive metal? (2) Which is the least reactive metal? (3) What would be observed if metal D were added to a solution of copper (II) sulphate (4) What would be observed if metal E were added to a solution of iron (II) sulphate? (5) Arrange the metals A, B, C, D and E in decreasing order to their reactivity?

Answer 1

Explanation:

What would be observed if metal E were added to a solution of iron (II) sulphate? (5) Arrange the metals A, B, C, D and E in decreasing order to their reactivity?