下列关于酸效应的叙述正确的是(    )
   A．酸效应系数越大，配合物稳定性越大
   B．酸效应系数越小，配合物稳定性越小
   C．pH越高，酸效应系数越大
   D．酸效应系数越大，配位滴定的pM突跃范围越大

A.174.24.96:6088/Latex/latex.action?latex=RV57XG9taW51cyB9'
B.77V，C.174.24.96:6088/Latex/latex.action?latex=S197c3B9Xntcb21pbnVzIH0%3D'
D.0×10^-38，E.174.24.96:6088/Latex/latex.action?latex=S197c3B9Xntcb21pbnVzIH0%3D'
F.0×10^-16，则G.174.24.96:6088/Latex/latex.action?latex=RV57XG9taW51cyB9'
H.-0.55V
I.+0.55V
J.-0.31V

A.B.174.24.96:6088/Latex/latex.action?latex=RV57XG9taW51cyB9'
C.D.174.24.96:6088/Latex/latex.action?latex=RV57XG9taW51cyB9'
E.F.174.24.96:6088/Latex/latex.action?latex=RV57XG9taW51cyB9'
G.H.174.24.96:6088/Latex/latex.action?latex=RV57XG9taW51cyB9'

A.174.24.96:6088/Latex/latex.action?latex=TW5PXzReLQ%3D%3D'
B.174.24.96:6088/Latex/latex.action?latex=RV57XG9taW51cyB9'
C.51V，若此时H⁺浓度由1mol·dm^-3变为1×10^-4mol·dm^-3，则该电对的电极电势变化值(V)为(
D.上升0.38
E.下降0.38
F.上升0.24