Identify the reaction from the following that corresponds to the standard electrode potential of the $Cu^{+2}/Cu$ electrode being $0.34 \text{ V}$ with respect to the $SHE$?
- A$Cu \rightarrow Cu^{+2} + 2e^-$
- B$Cu^{+2} + 2e^- \rightarrow Cu$
- C$Cu^+ \rightarrow Cu^{+2} + e^-$
- D$Cu^{+3} \rightarrow Cu^{+2} + e^-$
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Given the standard electrode potentials:
$K^{+} / K = -2.93 \, V$,$Ag^{+} / Ag = 0.80 \, V$
$Hg^{2+} / Hg = 0.79 \, V$
$Mg^{2+} / Mg = -2.37 \, V$,$Cr^{3+} / Cr = -0.74 \, V$
Arrange these metals in their increasing order of reducing power.
$K^{+} / K = -2.93 \, V$,$Ag^{+} / Ag = 0.80 \, V$
$Hg^{2+} / Hg = 0.79 \, V$
$Mg^{2+} / Mg = -2.37 \, V$,$Cr^{3+} / Cr = -0.74 \, V$
Arrange these metals in their increasing order of reducing power.
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MediumNEET 2016
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