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


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