• 2022-06-12
    已知 E Θ(Sn4+ / Sn2+)=0.15 V,E Θ(Pb2+ / Pb)=0.126 V,E Θ(Ag+ / Ag)=0.799V。则下列各电对氧化型的氧化性由强到弱的顺序正确的是
    A: Sn4+ > Pb2+ > Ag+
    B: Ag+ > Sn4+ > Pb2+
    C: Ag+ > Pb2+ > Sn4+
    D: Pb2+ > Sn4+ > Ag+