常用的三种甘汞电极,即 (1) 饱和甘汞电极 (2) 摩尔甘汞电极 (3) 0.1 mol·dm -3 甘汞电极,其电极反应为: Hg 2 Cl 2 (s) + 2 e - = 2Hg(l) + 2Cl - (aq) ,在 25 °C 甘汞电极的 j y 的大小次序为
A.
j 1 y > j 2 y > j 3 y
B.
j 2 y > j 1 y > j 3 y
C.
j 3 y > j 2 y > j 1 y
D.
j 1 y = j 2 y = j 3 y
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