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Why 2N sulphuric acid is used in oxalic acid estimation?
This titration is based on the neutralization reaction between oxalic acid and sulfuric acid; a pH indicator is used.
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 can MnO2 stains on glassware be easily removed by rinsing with an oxalic acid solution?
Manganese dioxide (MnO2) stains on glassware can be easily removed by rinsing with an oxalic acid solution because oxalic acid reacts with MnO2 to form soluble manganese oxalate which can be washed away with water, leaving the glassware clean. Oxalic acid works as a chelating agent, helping to dissolve and remove the manganese dioxide stain effectively.
What is the chemical name of oxalic acid?
The chemical name of oxalic acid is ethanedioic acid.
Is it safe to add sulphuric acid into oxalic acid?
yes
Why 2N sulphuric acid is used in oxalic acid estimation?
This titration is based on the neutralization reaction between oxalic acid and sulfuric acid; a pH indicator is used.
Why do you have to heat up the solution of oxalic acid after adding sulphuric acid for the titration with permanganate?
To act as a catalyst
Which is stronger sulphuric acid or oxalic acid?
Sulfuric acid is stronger than oxalic acid. Sulfuric acid is a strong mineral acid with a very low pH level, while oxalic acid is a weaker organic acid commonly found in vegetables like spinach and rhubarb.
How do you prepare oxalic acid?
how do prepare 0.1 N Oxalic acid
Does sea water dissolve sulphuric acid?
yes
What happens when concentrated sulphuric acid is heated with oxalic acid?
When concentrated sulfuric acid is heated with oxalic acid, oxidation of oxalic acid takes place, giving off carbon dioxide gas and water as byproducts. This reaction can be used to generate carbon dioxide for various applications.
How do you prepare saturated solution given 1gram of oxalic acid in 7g of water?
To prepare a saturated solution of oxalic acid, dissolve 1 gram of oxalic acid in 7 grams of water at a given temperature until no more oxalic acid can dissolve. This will result in a saturated solution where the maximum amount of oxalic acid has dissolved in the water at that temperature.
How prepare 0.1 N oxalic acid?
To prepare 0.1 N oxalic acid solution, you would need to dissolve 0.634 g of oxalic acid dihydrate (H2C2O4·2H2O) in distilled water and make up the solution to a final volume of 1 liter. This will give you a 0.1 N (normality) solution of oxalic acid.
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 happens when oxalic acid reacts with sulphuric acid?
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What is the reaction between potassium permanganate and sulphuric acid and oxalic acid?
Potassium Permanganate (KMnO4) reacts with Sulphuric acid (H2SO4) to produce Manganese Heptoxide (MnO7), water (H20) and Potassium Hydrogen Sulphate (KHSO4)2. The reactive species produced is Manganese Heptoxide (which is a very powerful oxidiser). The Manganese Heptoxide will oxidise the Oxalic acid (COOH)2 to Carbon dioxide (CO2).
