In 3d series, the metal having the highest standard electrode potential is

Question

In 3d series, the metal having the highest  standard electrode potential is

Canvas Classes · Accepted Answer

Strategy:
 Within the 3d transition series, most metals have negative reduction potentials (), meaning they are more reactive than hydrogen. Identify the exception that is less reactive (positive ).

Analysis:
The  values for the relevant 3d metals are:
- : 
- : 
- : 
- :

Copper is the only metal in the 3d series with a positive reduction potential, making it the highest among the listed elements.

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