(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?

2B STANDARD POTENTIALS AT 25 C Potentials in Electrochemical Order Reduction half-reaction Strongly oxidizing H4XeO6+ 2 H2e XeO3 + 3 HO F2 e 2 F O3 + 2 H + 2e O+ HO S208 +2e 2 SO4- Ag+ + e- Ag+ CO+ +e Co+ HO2 + 2 H+2e 2 HO Au + e Au Pb+ + 2e Pb+ 2 HCIO + 2 H+2 eCl + 2 HO Ce+ e Ce+ 2 HBrO+ 2 H+ +2 e Br2 + 2 HO MnO4 + 8 H + 5 e Mn+ + 4 HO Mn+ + eMn+ Au+ + 3 e Au Cl + 2 e 2 Cl CrO72 + 14 H+ + 6 e 2 Cr+ + 7 H0 E/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+ HO +2 eNO+ 2 OH Ti + e Ti+ 2 H+ + 2e Fe+ + 3 e H Fe O + HO + 2 e HO + OH Pb+ + 2 e Pb In + e In Sn+ + 2 e Sn Agle Ag + I Ni V+ Ni+ + 2e V+ +e Co+ +2 e In+ + 3 e Tl + e Tl PbSO4 + 2 e Pb + SO4- Ti+ + e Ti+ In+ + e In+ Cd+ + 2e Cd Co In E/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