(a) The standard potential of the reduction of Ag₂CrO₄ to Ag(s) and chromate ions is 10.446 V. Write the balanced halfreaction for the reduction of silver chromate.

(b) Using the data from part(a) and Appendix 2B, calculate the solubility product of Ag₂CrO₄(s).

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2B STANDARD POTENTIALS AT 25 °C Potentials in Electrochemical Order Reduction half-reaction Strongly oxidizing H4XeO6 + 2 H+2 e XeO3 + 3 H₂O F₂2 e 2 F O3 + 2 H+ 2e →0₂ + H₂O S₂O8² +2 e 2 SO4²- Ag+ + e → Agt CO³+ +e Co²+ H₂O2 + 2 H+ + 2e → 2H₂O Aue Au Pb²+ Pb+ + 2 e 2 HClO + 2 H +2 e Cl₂ + 2 H₂O Cee Ce³+ 2 HBrO + 2 H+2 e → Br2₂ + 2 H₂O MnO4 + 8 H+ + 5 e¯ →Mn²+ + 4 H₂O Mn³+ + e→ Mn²+ Au³+ + 3e →→ Au Cl₂ +2 e 2 CI Cr₂O7² + 14 H+ + 6 e 03 + H₂O + 2 e 2 Cr³+ + 7 H₂O 0₂ + 2 OH™ 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 +1.24 +123 Reduction half-reaction NO3 + H₂O +2 e → NO₂ + 2 OH™ Ti + e →→ Ti³+ 2 H+ 2 e → H₂ Fe³+ + 3 e Fe O₂+ H₂O + 2 e → HO₂ + OH Pb²+ + 2e → Pb Int + e → In Sn²+ + 2 e Sn Agle → Ag + I Ni²+ + 2e → Ni V³+ + e → V²+ Co²+ +2e → Co In In³+ + 3 e Tl + e → TI PbSO4 + 2e Ti³+ + e In²+ + e→→ Int Cd²+ +2 e Cd Cr³+ + e→Cr²+ → Pb + SO4²- Ti²+ 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 -0.41