Question
Identify the strongest and the weakest reducing agents from the electrochemical series.

Answer

(a) From the electrochemical series, the strongest reducing agent is lithium since it has the lowest standard reduction potential $\left(E_{ Li ^{+} / Li }^0=-3.045 V \right)$.
(b) The weakest reducing agent is fluorine since it has the highest standard reduction potential,
$
\left(E_{ F _2 / F ^{-}}^0=+2.87 V \right)
$

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