MCQOPTIONS
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| 1. |
The standard potential at \[{{25}^{o}}C\] for the following half reactions are given against them \[Z{{n}^{2+}}+2e\to Zn,{{E}^{o}}=-0.762V\]\[M{{g}^{2+}}+2e\to Mg,{{E}^{o}}=-2.37V\] When zinc dust is added to the solution of \[MgC{{l}_{2}}\] [UPSEAT 2001] |
| A. | \[ZnC{{l}_{2}}\]is formed |
| B. | Zinc dissolves in the solution |
| C. | No reaction takes place |
| D. | \[Mg\]is precipitated |
| Answer» D. \[Mg\]is precipitated | |