Pozzolanic Reaction in Clayey Soils for Stabilization Purposes: A Classical Overview of Sustainable Transport Geotechnics

Table 1

Electrochemical series in order of ease of oxidation and displacement [3, 8].

Metal	Oxidation reaction
Lithium	Li(s) ⟶ Li^+(aq)	+	e^−
Potassium	K(s) ⟶ K^+(aq)	+	e^−
Barium	Ba(s) ⟶ Ba^2+(aq)	+	2e^−
Calcium	Ca(s) ⟶ Ca^2+(aq)	+	2e^−
Sodium	Na(s) ⟶ Na^+(aq)	+	e^−
Magnesium	Mg(s) ⟶ Mg^2+(aq)	+	2e^−
Aluminium	Al(s) ⟶ Al^3+(aq)	+	3e^−
Manganese	Mn(s) ⟶ Mn^2+(aq)	+	2e^−
Zinc	Zn(s) ⟶ Zn^2+(aq)	+	2e^−
Chromium	Cr(s) ⟶ Cr^2+(aq)	+	3e^−
Iron	Fe(s) ⟶ Fe^2+(aq)	+	2e^−
Cobalt	Co(s) ⟶ Co^2+(aq)	+	2e^−
Nickel	Ni(s) ⟶ Ni^2+(aq)	+	2e^−
Tin	Sn(s) ⟶ Sn^2+(aq)	+	2e^−
Lead	Pb(s) ⟶ Pb^2+(aq)	+	2e^−
Hydrogen	H2() ⟶ 2H^+(aq)	+	2e^−
Copper	Cu(s) ⟶ Cu^2+(aq)	+	2e^−
Silver	Ag(s) ⟶ Ag^+(aq)	+	e^−
Mercury	Hg(l) ⟶ Hg^2+(aq)	+	2e^−
Platinum	Pt(s) ⟶ Pt^2+(aq)	+	2e^−
Gold	Au(s) ⟶ Au^3+(aq)	+	3e^−