单项选择题
已知298K时Hg2Cl2+2e→2Hg+2Cl-,φ01=0.2676V;AgCl+e→Ag+Cl-,φ02=0.2224V。则当电池反应为:Hg2Cl2+2Ag→2AgCl+2Hg时,其电池的E0为:()
A.-0.0886V
B.-0.1772V
C.0.0276V
D.0.0452V
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单项选择题
在温度T时φ0(Hg2+2/Hg)=a,Hg2SO4的溶度积为Ksp,则φ0(Hg2SO4/Hg)为:()
A.a+(RT/2F)lnKsp
B.a-(RT/2F)lnKsp
C.a+(RT/F)lnKsp
D.a-(RT/F)lnKsp -
单项选择题
已知φ0(Ti+/Ti)=-0.34V,φ0(Ti3+/Ti)=0.72V,则φ0(Ti3+/Ti+)为(V):()
A.(0.72×3)+0.34
B.0.72×1.5+0.17
C.0.72+0.34
D.0.72-0.34 -
单项选择题
巳知下列两个电极反应的标准还原电势为:Cu2++2e→Cu,φ0=0.337V;Cu++e→Cu,φ0=0.521V,由此求算得Cu2++e→Cu+的φ0等于:()
A.0.184V
B.-0.184V
C.0.352V
D.0.153V
