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Because it donates one or (max.) two protons per molecule (H2C2O4) in water to any base or even to water molecules. This is the Bronsted definition of an acid: 'proton donator'.
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What happen when oxalic acid is added to phenolphthalein?
Phenolphtalein is colorless in an acidic medium.
What happens when we mix the KMnO4 H2SO4 solutions and oxalic acid?
There is a redox reaction between oxalic acid being oxidised by acidic permanganate ions (MnO4-). Products are H2O(l) and CO2(g) and Mn2+ ions.
Can oxalic acid be titrated by HCl?
Yes, oxalic acid can be titrated by HCl because oxalic acid is a diprotic acid and can react with HCl in a simple acid-base reaction. The titration involves determining the volume of acid required to neutralize the oxalic acid solution, which can be used to calculate the concentration of oxalic acid.
What are oxalic acid?
Oxalic acid is an organic compound, a diprotic acid, with the molecular formula H2C2O4.
Why we ad sulpheric acid with oxalic acid?
we add sulpheric acid with oxalic acid to stable the ions when titrated against KMNO4
Are almonds acidic or basic?
Almonds are considered to be slightly acidic due to the presence of oxalic acid. However, they are still considered to be a low-acid food.
What happen when oxalic acid is added to phenolphthalein?
Phenolphtalein is colorless in an acidic medium.
What are the differences between oxalic acid and ethanoic acid?
Oxalic acid has two carboxylic acid groups and is stronger in acidic properties compared to ethanoic acid, which has only one carboxylic acid group. Oxalic acid is toxic when ingested, while ethanoic acid is commonly found in vinegar and is safe for consumption in small quantities.
What acid does rhubarb contain?
Oxalic acid. It is present in many plants including rhubarb and spinach. It is known to contribute to the formation of kidney stones. It is also the used as a cleaning and bleaching agent. Oxalic acid is the active ingredient in Bar Keepers Friend cleaner. Rhubarb also contains a carboxylated acidic anthraquinone called rhein.
Is rhubarb a base or acid?
Rhubarb contains certain acidic molecules in it called rhein and oxalic acid which might impart some acidity.
Is rhubard an acid or an alkali?
Rhubarb is considered an acidic food due to its tart taste, but it also contains a small amount of oxalic acid.
What is the forumla for oxalic acid?
Oxalic acid is H2C2O4
Does Rhubarb have acid in it?
no Oxalic acid is found in rhubarb
What happens when we mix the KMnO4 H2SO4 solutions and oxalic acid?
There is a redox reaction between oxalic acid being oxidised by acidic permanganate ions (MnO4-). Products are H2O(l) and CO2(g) and Mn2+ ions.
Which of the following might you use to titrate an oxalic acid solution?
You could use a standardized solution of potassium permanganate (KMnO4) to titrate an oxalic acid solution. Potassium permanganate is a strong oxidizing agent that reacts with oxalic acid in an acidic medium, forming carbon dioxide gas, manganese dioxide, and water.
Why oxalic acid is acidified before titration?
Oxalic acid is acidified before titration to provide a medium that favors the reaction of the analyte with the titrant while minimizing interference from other substances. Acidification ensures that the oxalic acid dissociates fully to its acidic form, allowing for a more accurate and precise titration.
Is oxalic acid a strong acid?
No, oxalic acid is considered a weak acid. It dissociates partially in water to release hydrogen ions.
