87. 10 Application of EMF and electrode potential 7.10.2. Judge the strength of the oxidation and reduction 酸性溶液数据 电对符号 电极反应 电极电势E P(Fe+/Fe2t)=0.771 v 2+2H"+2e=-2HN3(ag) 333 ge(L2=0.5362V Cs+/Cs Cs"+e=Cs Rb+/Rb Rb+e=Rb -298 K'+e=K Ba2+/Ba Oxidative form: Fe3 Ba2+2e=Ba 292 512 Sr+2e'=Sr -2894 Ca2+/ Ca Ca+2e=Ca Reductive form: fe2+ I Mg2+Mg 4g+2e=Mg 372 Ce+3e=Ce Bro +H,0+2e =Br+20 Which is stronger oxidative reagent, Fe+ or I2? 1o+HO+2=C+20H Br7+/Br5+ BrOa+H,0+2e=BrO+20H HXe063"+2H,0+2e=HXeO:+40H Which is stronger reductive reagent. Fez+ or I-? C14+/CL I Clo ( ag)+e=CIO, 00001 LRus C14+Cl CIO:(g)+e'=CIO2 Why?E>0 criterion [x6+x 4:09 oyg)+HQ+26=02+20H 124 https://wenku.baiducom/view/7d51ac34caaedd3382c4d32b.html7.10.2. Judge the strength of the oxidation and reduction ⊖ (Fe3+ /Fe2+ ) = 0.771 V ⊖ (I2 /I− ) = 0.5362 V Oxidative form: Fe3+, I2 Reductive form: Fe2+, I￾Which is stronger oxidative reagent, Fe3+ or I2 ? Which is stronger reductive reagent, Fe2+ or I −? Why? E > 0 criterion https://wenku.baidu.com/view/7d51ac34caaedd3382c4d32b.html §7.10 Application of EMF and electrode potential