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Can iron (iii) oxide (fe2o3) readily react with a solution of oxalic acid ?rnare there any specific conditions required to make oxalate ions available for reaction ?
Accepted Answer
Iron(III) oxide (Fe2O3) can react with a solution of oxalic acid (H2C2O4) to form iron(III) oxalate (Fe2(C2O4)3) and water (H2O). The reaction is represented by the following equation:
Fe2O3(s) + 3H2C2O4(aq) → Fe2(C2O4)3(aq) + 3H2O(l)
The reaction is slow at room temperature, but it can be accelerated by heating the solution or by adding a catalyst, such as hydrogen peroxide (H2O2).
Oxalate ions (C2O42-) are available for reaction when oxalic acid is dissolved in water. The oxalate ions can then react with iron(III) ions (Fe3+) to form iron(III) oxalate.
The reaction between iron(III) oxide and oxalic acid is used in several applications, including the removal of rust from metal surfaces and the production of iron(III) oxalate, which is used as a pigment and in the production of other chemicals.
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