(a) Use graphing software to plot standard potential against atomic number for the elements of Groups 1 and 2.

(b) What generalizations can be deduced from the graph?

Transcribed Image Text:

2B STANDARD POTENTIALS AT 25 °C Potentials in Electrochemical Order Reduction half-reaction Strongly oxidizing H4XeO6+ 2 H2e → XeO3 + 3 H₂O F₂2 e 2 F¯ O3 + 2 H + 2e →O₂+ H₂O S208² +2e →2 SO4²- Ag²+ + e- → Ag+ CO³+ +e Co²+ H₂O2 + 2 H+2e →2 H₂O Au + e→ Au Pb+ + 2e →→ Pb²+ 2 HCIO + 2 H+2 e→Cl₂ + 2 H₂O Ce+ e Ce³+ 2 HBrO+ 2 H+ +2 e → Br2 + 2 H₂O MnO4 + 8 H + 5 e → Mn²+ + 4 H₂O Mn³+ + e→→Mn²+ Au³+ + 3 e → Au Cl₂ + 2 e 2 Cl Cr₂O72 + 14 H+ + 6 e 2 Cr³+ + 7 H₂0 Eº/V +3.0 +2.87 +2.07 +2.05 +1.98 +1.81 +1.78 +1.69 +1.67 +1.63 +1.61 +1.60 +1.51 +1.51 +1.40 +1.36 +1.33 +121 Reduction half-reaction NO3+ H₂O +2 e→NO₂+ 2 OH¯ Ti + e Ti³+ 2 H+ + 2e Fe³+ + 3 e →→ H₂ Fe O₂ + H₂O + 2 e → HO₂ + OH Pb²+ + 2 e Pb In + e →→ In Sn²+ + 2 e Sn Agle → Ag + I → Ni V²+ Ni²+ + 2e V³+ +e Co²+ +2 e In³+ + 3 e Tl + e Tl PbSO4 + 2 e →→ Pb + SO4²- Ti³+ + e Ti²+ In²+ + e→→ In+ Cd²+ + 2e →→ Cd Co In Eº/V +0.01 0.00 0, by definition -0.04 -0.08 -0.13 -0.14 -0.14 -0.15 -0.23 -0.26 -0.28 -0.34 -0.34 -0.36 -0.37 -0.40 -0.40