Oxalic acid [Chemical formula, Physical, Chemical Properties and Reactions]

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

 

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