問題詳情
14. 已知標準還原電位： Zn2++2e→Zn， E°=-0.76 伏特； Co2++2e-→Co，E°=- 28.0E 伏特； Cu2++2e-→Cu ，34.0 伏特。今有四個標準半電池，以下圖方式連接，圖中 U 形管為鹽橋。下列何者可產生最小的電位差？ 
(A)
(B)
(C)
(D)
(A)
(B)
(C)
(D)
參考答案
答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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