Discussion
A metal high in the electrochemical series, with a large negative standard potential, is a
Answer: A
Correct answer: strong reducing agent
A large negative potential means the metal loses electrons readily, so it is easily oxidised and therefore a good reducing agent - it gives electrons to something else. Sodium, potassium and calcium sit at that end of the series. The other end, with large positive potentials, holds the strong oxidising agents such as fluorine, which take electrons readily.
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