Redox Reactions And Electrochemistry Ques 171

Question: Standard reduction potentials at $ 25^{o}C $ of $ L{i^{+}}|Li,,B{a^{2+}}|,Ba,,N{a^{+}}|,Na $ and $ M{g^{2+}}|Mg $ are $ -3.05,,-2.90,,-2.71 $ and $ -2.37 $ volt respectively. Which one of the following is the strongest oxidising agent [CBSE PMT 1994; JIPMER 2002]

Options:

A) $ N{a^{+}} $

B) $ L{i^{+}} $

C) $ B{a^{2+}} $

D) $ M{g^{2+}} $

Show Answer

Answer:

Correct Answer: D

Solution:

The oxidizing character i.e. acceptance of electrons increases with the reduction potential.



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