oxalic acid have chemical formula of C₂H₂O₄.
Physical Properties of Oxalic Acid
| Properties | Details |
| Appearance | Colorless solid |
| Boiling Point | Decomposes at higher temperatures |
| Crystal Structure | Monoclinic |
| Density | 1.90 g/cm³ |
| Melting Point | 189 °C (372 °F) |
| Molecular Formula | C2H2O4 |
| Molecular Weight | 90.03 g/mol |
| Odor | Odorless |
| Solubility in Organic Solvents | Low |
| Solubility in Water | 87.7 g/100 mL (20 °C) |
Chemical Properties of Oxalic Acid
| Properties | Details |
| Acidity | Strong acid |
| Decomposition | Produces carbon monoxide and carbon dioxide when heated |
| Reaction with Alkalis | Forms water-soluble salts |
| Reaction with Calcium | Forms calcium oxalate (insoluble) |
| Reaction with Hydrogen Peroxide | Decomposes into carbon dioxide and water |
| Reaction with Metals | Forms oxalates with certain metals |
| Reaction with Potassium Permanganate | Oxidizes oxalic acid to produce carbon dioxide and water |
| Reactivity | Oxidizing agent |
| Reduction | Can be reduced to produce carbon dioxide and water |
| Solubility | Highly soluble in water |
Reaction of oxalic acid with Alkali Metal
| Alkali Metal | Reaction with Oxalic Acid |
| Lithium (Li) | 2Li + H2C2O4 react and convert into Li2C2O4 + H2 |
| Sodium (Na) | 2Na + H2C2O4 react and convert into Na2C2O4 + H2 |
| Potassium (K) | 2K + H2C2O4 react and convert into K2C2O4 + H2 |
| Rubidium (Rb) | 2Rb + H2C2O4 react and convert into Rb2C2O4 + H2 |
| Cesium (Cs) | 2Cs + H2C2O4 react and convert into Cs2C2O4 + H2 |
| Francium (Fr) | 2Fr + H2C2O4 react and convert into Fr2C2O4 + H2 |
Reaction of oxalic acid with Alkaline Earth Metal
| Alkaline Earth Metal | Reaction with Oxalic Acid |
| Beryllium (Be) | No product formed |
| Magnesium (Mg) | Mg + H2C2O4 react and convert into MgC2O4 + H2 |
| Calcium (Ca) | Ca + H2C2O4 react and convert into CaC2O4 + H2 |
| Strontium (Sr) | Sr + H2C2O4 react and convert into SrC2O4 + H2 |
| Barium (Ba) | Ba + H2C2O4 react and convert into BaC2O4 + H2 |
| Radium (Ra) | Ra + H2C2O4 react and convert into RaC2O4 + H2 |
Reaction of oxalic acid with Transition Metal
| Transition Metal | Reaction with Oxalic Acid |
| Iron (Fe) | 3Fe + 2 H2C2O4 react and convert into Fe3(C2O4)2 + 2 H2 |
| Copper (Cu) | 3Cu + 2 H2C2O4 react and convert into Cu3(C2O4)2 + 2 H2 |
| Silver (Ag) | 3Ag + 2 H2C2O4 react and convert into Ag3(C2O4)2 + 2 H2 |
| Nickel (Ni) | Ni + H2C2O4 react and convert into Ni C2O4 + H2 |
| Palladium (Pd) | Pd + H2C2O4 react and convert into Pd C2O4 + H2 |
| Platinum (Pt) | Pt + 2 H2C2O4 react and convert into Pt(C2O4)2 + 2 H2 |
| Cobalt (Co) | No product formed |
| Chromium (Cr) | No product formed |
| Manganese (Mn) | No product formed |
| Vanadium (V) | No product formed |
| Titanium (Ti) | No product formed |
| Zinc (Zn) | No product formed |
Reaction of oxalic acid with Non-Transition Metal
| Non-Transition Metal | Reaction with Oxalic Acid |
| Aluminum (Al) | 2Al + 3 H2C2O4 react and convert into Al2(C2O4)3 + 3 H2 |
| Zinc (Zn) | Zn + H2C2O4 react and convert into Zn C2O4 + H2 |
| Tin (Sn) | Sn + 2 H2C2O4 react and convert into Sn(C2O4)2 + 2 H2 |
| Lead (Pb) | Pb + H2C2O4 react and convert into Pb C2O4 + H2 |
| Bismuth (Bi) | Bi + 2 H2C2O4 react and convert into Bi(C2O4)2 + 2 H2 |
| Antimony (Sb) | Sb + 2 H2C2O4 react and convert into Sb(C2O4)2 + 2 H2 |
| Arsenic (As) | As + 2 H2C2O4 react and convert into As(C2O4)2 + 2 H2 |
| Gallium (Ga) | Ga + 2 H2C2O4 react and convert into Ga(C2O4)2 + 2 H2 |
| Indium (In) | In + 2 H2C2O4 react and convert into In(C2O4)2 + 2 H2 |
| Tl (Thallium) | Tl + 2 H2C2O4 react and convert into Tl(C2O4)2 + 2 H2 |
Reaction of oxalic acid with Metalloid
| Metalloid | Reaction with Oxalic Acid |
| Boron (B) | B + 3 H2C2O4 react and convert into H3BO3 + 3CO2 + 3 H2 |
| Silicon (Si) | No product formed |
| Germanium (Ge) | No product formed |
| Arsenic (As) | As + 2 H2C2O4 react and convert into As(C2O4)2 + 2 H2 |
| Antimony (Sb) | Sb + 2 H2C2O4 react and convert into Sb(C2O4)2 + 2 H2 |
| Tellurium (Te) | No product formed |
| Polonium (Po) | No product formed |
Reaction of oxalic acid with Lanthanide
| Lanthanide | Reaction with Oxalic Acid |
| Cerium (Ce) | 2Ce + 3 H2C2O4 react and convert into Ce2(C2O4)3 + 3 H2 |
| Praseodymium (Pr) | 2Pr + 3 H2C2O4 react and convert into Pr2(C2O4)3 + 3 H2 |
| Neodymium (Nd) | 2Nd + 3 H2C2O4 react and convert into Nd2(C2O4)3 + 3 H2 |
| Promethium (Pm) | No product formed |
| Samarium (Sm) | 2Sm + 3 H2C2O4 react and convert into Sm2(C2O4)3 + 3 H2 |
| Europium (Eu) | 2Eu + 3 H2C2O4 react and convert into Eu2(C2O4)3 + 3 H2 |
| Gadolinium (Gd) | 2Gd + 3 H2C2O4 react and convert into Gd2(C2O4)3 + 3 H2 |
| Terbium (Tb) | 2Tb + 3 H2C2O4 react and convert into Tb2(C2O4)3 + 3 H2 |
| Dysprosium (Dy) | 2Dy + 3 H2C2O4 react and convert into Dy2(C2O4)3 + 3 H2 |
| Holmium (Ho) | 2Ho + 3 H2C2O4 react and convert into Ho2(C2O4)3 + 3 H2 |
| Erbium (Er) | 2Er + 3 H2C2O4 react and convert into Er2(C2O4)3 + 3 H2 |
| Thulium (Tm) | 2Tm + 3 H2C2O4 react and convert into Tm2(C2O4)3 + 3 H2 |
| Ytterbium (Yb) | 2Yb + 3 H2C2O4 react and convert into Yb2(C2O4)3 + 3 H2 |
| Lutetium (Lu) | 2Lu + 3 H2C2O4 react and convert into Lu2(C2O4)3 + 3 H2 |
Reaction of oxalic acid with Actinide
| Actinide | Reaction with Oxalic Acid |
| Thorium (Th) | 2Th + 3 H2C2O4 react and convert into Th2(C2O4)3 + 3 H2 |
| Protactinium (Pa) | No product formed |
| Uranium (U) | 2U + 3H2C2O4 react and convert into U2(C2O4)3 + 3 H2 |
| Neptunium (Np) | No product formed |
| Plutonium (Pu) | No product formed |
| Americium (Am) | No product formed |
| Curium (Cm) | No product formed |
| Berkelium (Bk) | No product formed |
| Californium (Cf) | No product formed |
| Einsteinium (Es) | No product formed |
| Fermium (Fm) | No product formed |
| Mendelevium (Md) | No product formed |
| Nobelium (No) | No product formed |
| Lawrencium (Lr) | No product formed |