最常用元素的標準電極電勢簡表

1、標 準 電 極金屬還原性方程式E/VLi(I)-(0+ -Li + e = Li-3.0)4-2.9K(I)-(0)K+ +e = K3Ca(II)-(Cd + 2e- = Ca-2.80)7Na(I)-(0+ -Na + e = Na-2.7)1Mg(II)-(Mg + + 2e- = Mg-2.30)7Al(III)-3+-Al + 3e= Al-1.6(0)6非金屬氧化性方程式E?/VP(O)-(-HI)P(white) + 3H+ + 3e-=PH(g)-0.06s（o）-（-ii）S+ 2H+ + 2e = HS(aq)+0.14I(O)-(-I)12+ 2e- = 2I-+0.54

2、Fe(III)-(II)L 3+|-L 2 +Fe + e = Fe+0.77Ag(I)-(O)+ -Ag + e = Ag+0.80N(V) (IV)2NO+ 4H + 2e= NbC4 +2H00.803Mn (II)-(0)Mn + + 2e- = Mn-1.19Zn (II)-(0)Zn2 + + 2e- = Zn-0.76Fe(II)-(0)2e = Fe-0.45Sn (II)-(0)Sn + + 2e- = Sn-0.14Pb(II)-(0)2 + -Pb + 2e = Pb-0.13H(I)-(0)2H+ + 2e- = H0.00Cu(II)-(I)CU + + e- = C

3、u+0.34Br(O)-(-l)B2(aq) + 2e _ = 2Br_+1.09Mn (IV)-(II)MnO + 4H+ + 2e- = Mrn+ +2H2O+1.28O(0)-(-II)Q+ 4H+ + 4e- = 2HO+1.23Cr(VI)-(III)2-+-3 +Cr2Q7 +14H +6e = 2Cr +7HbO+1.33Cl(O)-(-I)Cl2(g) + 2e= 2C+1.36Cl(I)-(O)HCIO+ H+ + e- = 1/2Cl 2 +HO+1.61Mn (VII)-(IV)MnO + 4H + 3e- = MnO+2HbO+1.68Hg(ii)-(h6= 2e =

4、Hg+0.70)8Ag(i)-(0AgBr+ e- = Ag+ Br-+0.8)0Pt(ii)-(Pt2 + + 2e = Pt+1.10)8Au(iii)-Au3 + + 2e- = Au+1.40O(-I)-(-II)HQ+ 2H+ + 2e- = 2H2O+1.78F(0)-(-I)F2+ 2e- = 2F-+2.87氧化劑的氧化性順序:氟 > 錳 > 氯 > 溴 > 銀 > 鐵 > 碘>硫次氯酸、次溴酸、次碘F2 > MnO > Cl 2 > Br2 > Ag+ > Fe3+ >12 > H2S 酸+ -2HIO+ 2H + 2e = I2 +1.4I(I)-(0)2HO4Br(l)-(OHBrO+H + +e=+1.5)l/2Br 2(aq) + HO7Cl(I)-(O+ -HCIO+ H + e = 1/2CI 2+1.6)+ HbO1亞氯酸、高氯酸CI(VII)- + -CIO4 + 8H +7e = 1/2CI 2+1.3(0)+ 4fO9Cl(lll)-HCIQ+ 3H+ 4e- = CI- +1.5(-I)2HO7溴酸、氯酸、碘酸- + -2103 + 12H + 10e = 12+1.2I(V)-(0)+ 6HO0CI(V)-(-CI