| Which of the following chemical reactions is incorrect? |
| (i) \[FeS{{O}_{4}}+Zn\to ZnS{{O}_{4}}+Fe\] |
| (ii) \[ZnS{{O}_{4}}+Fe\to FeS{{O}_{4}}+Zn\] |
| (iii) \[2Au+2HCl\to 2AuCl+{{H}_{2}}\] |
| (iv) \[Mg+CuS{{O}_{4}}\to MgS{{O}_{4}}+Cu\] |
A) (i) and (ii)
B) (ii) and (iii)
C) (iii) and (iv)
D) (i) and (iv)
E) None of these
Correct Answer: B
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