Asked by Sara
How can I determine the overall electrochemical reaction that proceeds spontaneously?
Cd2+ | Cd, Co2+ | Co
1. Cd+Co2+ −¨Cd2++Co
2. Co+Cd2+ −¨Co2++Cd
(1. and 2. are answer choices)
Cd2+ | Cd, Co2+ | Co
1. Cd+Co2+ −¨Cd2++Co
2. Co+Cd2+ −¨Co2++Cd
(1. and 2. are answer choices)
Answers
Answered by
DrBob222
Look up reduction potentials for
Cd^2+ + 2e==> Cd and
Co2^+ + 2e ==> Co.
Look at which one of the two will give a positive voltage. That is the one that will proceed spontaneously.
Cd^2+ + 2e==> Cd and
Co2^+ + 2e ==> Co.
Look at which one of the two will give a positive voltage. That is the one that will proceed spontaneously.
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