Question

Compare table 1 (the standard reduction potentials) to the periodic trends (radius, Ionization energy, electron affinity, electronegativity). Do the potentials in the table agree with our periodic trends? Why/why not (use at least two examples in your argument)?

Table 1: Standard Reduction Potentials
Half-Reaction	E°, volts
Na+(aq) + e– → Na(s)	-2.71
Al3+(aq) + 3 e– → Al(s)	-1.66
Zn2+(aq) + 2 e– → Zn(s)	-0.76
Cr3+(aq) + 3 e– → Cr(s)	-0.74
Fe2+(aq) + 2 e– → Fe(s)	-0.41
PbSO4(s) + 2 e– → Pb(s) + SO42–(aq)	-0.36
Ni2+(aq) + 2 e– → Ni(s)	-0.23
Sn2+(aq) + 2 e– → Sn(s)	-0.14
Pb2+(aq) + 2 e– → Pb(s)	-0.13
2 H+(aq) + 2 e– → H2(g)	0
Sn4+(aq) + 2 e– → Sn2+(aq)	0.15
AgCl(s) + e– → Ag(s) + Cl–(aq)	0.22
Cu2+(aq) + 2 e– → Cu(s)	0.34
O2(g) + 2 H2O(l) + 4 e– → 4 OH–(aq)	0.4
H2SO3(aq) + 4 H+(aq) + 4 e– → S(s) + 3H2O(l)	0.45
Ag+(aq) + e– → Ag(s)	0.8
O2(g) + 4 H+(aq) + 4 e– → 2 H2O(l)	1.23