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Rust is Fe2O3 ....it can not be removed by

1.HCl

2.H2So4

3.Edta.....

but can remove by Oxalic Acid H2C2O4

Fe2O3(s) + 6 H2C2O4(aq) → 2 Fe(C2O4)3 3−(aq) + 3 H2O(l) + 6 H+(aq)

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βˆ™ 13y ago
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AnswerBot

βˆ™ 5mo ago

Oxalic acid works to remove rust by forming a chemical reaction with the iron oxide in the rust, converting it into a water-soluble complex. This complex can then be easily rinsed away, effectively stripping the rust from the surface of the metal.

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βˆ™ 6y ago

The chemical reaction is:
Fe2O3 + 3H2C2O4 = Fe2(C2O4)3 + 3H20

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Q: How oxalic acid removes rust?
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Related questions

How do you use oxalic acid in a dishwasher?

Oxalic acid (one teaspoon) to remove rust and iron stains


What are scaling characteristics of oxalic acid dihydrate?

Oxalic acid can remove the rust due to its strong reducibility. The rust iron is ferric iron in the rusty spot, needless to dissolve into water. When touching oxalic acid, the ferric iron is reducted into bivalent iron which is dissolving in water. In addition, after using oxalic acid dihydrate to pickle ironmould on clothes, it is necessary to wash it with water a few times, not letting the excess of oxalic acid on clothes.


What does the cleaner The Works have in it that eats rust?

The cleaner The Works have two ingredients which made it eats rust. They are Oxalic Acid and Glycolic Acid, that's why this thing is so easy to wash the rust out of an object.


What are the uses for oxalic acid?

Oxalic acid is commonly used as a cleaning agent for rust removal, as a bleaching agent for wood and other materials, and in some industrial processes like dyeing and tanning. It is also used in some household products like rust removers and stain removers.


What is oxalic acid used for?

Oxalic acid is commonly used as a rust remover, stain remover, and wood bleach. It is also used in some cleaning products and as a mordant in dyeing and printing textiles.


What is the forumla for oxalic acid?

Oxalic acid is H2C2O4


Does Rhubarb have acid in it?

no Oxalic acid is found in rhubarb


Is H2C2O4 an acid?

Yes, H2C2O4, also known as oxalic acid, is a weak acid that occurs naturally in some plants and can also be produced synthetically. It is commonly used as a reducing agent in chemical reactions and in household applications such as rust removal.


What is best for removing rust from cotton clothes out of vinegar baking soda and toothpaste?

Try with a concentrated solution of oxalic acid; be careful, this acid is toxic.


What is the common name for oxalic acid?

The common name for oxalic acid is wood bleach. It is a natural compound found in plants like spinach and rhubarb, and is commonly used as a cleaning agent and rust remover.


Is oxalic acid a strong acid?

No, oxalic acid is considered a weak acid. It dissociates partially in water to release hydrogen ions.


What is the name of acid present in spinach?

The acid present in spinach is oxalic acid.