第一类电极及其反应 电极 电极反应 M2(a+)M(s) M2(a+)+e→M(S) H(a+H2(p),Pt 2H(a+)+2e→H2(P) OH(ah2(p), Pt 2H20+2e--H2(p)+20H(a_) H(aro,(p), pt O2(p)+4H(a+)+4e→2H2O OH(a)o2(p), Pt O2(p)+2H20+4e -40H(a_) Cl(a)Cl(p), Pt Cl2p)+2e→2Cl(a) Na(a+ Na(Hg(a Na(a++nHg+eNa(hg,(a) 4上一内容下一内容令回主目录 返回 2021/223上一内容 下一内容 回主目录 返回 2021/2/23 第一类电极及其反应 Na+ (a+ )|Na(Hg)(a) Na+ (a+ )+nHg+e- →Na(Hg)n (a) 电极 电极反应 Mz+ (a+ )|M(s) Mz+ (a+ )+ze - →M(s) H+ (a+ )|H2 (p),Pt 2H+ (a+ )+2e- →H2 (p) OH- (a- )|H2 (p),Pt 2H2O+2e- →H2 (p)+2OH- (a- ) H+ (a+ )|O2 (p),Pt O2 (p)+4H+ (a+ )+4e- →2H2O OH- (a- )|O2 (p),Pt O2 (p)+2H2O+4e- →4OH- (a- ) Cl- (a- )|Cl2 (p),Pt Cl2 (p)+2e- →2Cl- (a- )