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  3. Chemistry
  4. The standard reduction potential of Li +, Ba 2+, Na +and Mg 2+ are -3.05,-2.73,-2.71 and -2.37 volts respectively. Which one is the strongest reducing agent?

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Q. The standard reduction potential of $Li ^{+}, Ba ^{2+}, Na ^{+}$and $Mg ^{2+}$ are $-3.05,-2.73,-2.71$ and $-2.37$ volts respectively. Which one is the strongest reducing agent?

Jharkhand CECEJharkhand CECE 2003

Solution:

Smaller the value of reduction potential; stronger will be reducing agent Reduction potential value indicate the ease of oxidation. Reducing agent itself undergoes oxidation.
$\because Li ^{+}$ has least reduction potential.
$\therefore $ It is strongest reducing agent among given choices.