Use the table of standard reduction potentials below to identify the metal or me

Question

Use the table of standard reduction potentials below to identify the metal or metal ion that is the strongest reducing agent.

Standard Redcution Potentials (volts) in Aqueous Solution

                                    Pb4+ + 2e- à Pb2+                    +1.80

                                    Au3+ + 3e- à Au                     +1.50

                                    Fe3+ + 3e- à Fe                       +0.771

                                    I2 + 2e- à 2 I-                          +0.535

                                    Pb2+ + 2e- à Pb                      -0.124

                                    Al3+ + 3e- à Al                       -1.66

                                    Mg2+ + 2e- à Mg                   -2.37

                                    K+ + e- à K                            -2.93

a. Pb4+

b. Al

c. Pb2+

d. K+

e. K

Explanation / Answer

strongest reduccing agnet --> will be oxidized itself easier

then

K(s) is the strongest reducing agnet, since it release 1e- very easy

choose E

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