If the pressura concentration constant at 1 M, the voliage u 11. Cu (aq) is unstable in a solution and undergoes simultaneous oxidation and reduction according to the reaction 2Cu (aq) = Cu2 (ag) + Cu(s) The E° for the above reaction will be 12. 0.34) V and Eu= 0.15 V V.(Given E(C 7 iAeduncie.com Cal Toll Free: 1800-120-1021