| State which of the following chemical reactions will take place or not, giving suitable reason for each: |
| (a) \[Z{{n}_{(S)}}+CuS{{O}_{4(aq)}}\to ZnS{{O}_{4(aq)}}+\text{ }C{{u}_{(S)}}\] |
| (b) \[F{{e}_{(S)}}+ZnS{{O}_{4(aq)}}\to FeS{{O}_{4(aq)}}+Z{{n}_{(S)}}\] |
| (c) \[Z{{n}_{(S)}}+FeS{{O}_{4(aq)}}\to ZnS{{O}_{4(aq)}}+F{{e}_{(S)}}\] |
Answer:
(b) \[Fe+ZnS{{O}_{4}}\to FeS{{O}_{4}}+\mathrm{ }Zn\] is not possible, because Zn is more reactive that Fe so it cannot be replaced.
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