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Q: Why is Brown turbidity sometimes seen while titrating KMnO4 solution with oxalic acid?
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How many milliliters of a 0.270 M solution are needed to react completely with 3.245 g of oxalic acid?

The answer depends on which compound is in the 0.270M solution to react with oxalic acid, and sometimes also at what temperature and pH value this reaction is taking place.


What is the enthalpy change of solution of oxalic acid?

Enthalpy of solution of oxalic, succinic, adipic, maleic, malic, tartaric, and citric acids, oxalic acid dihydrate, and citric acid monohydrate in water at 298.15 K


Calculate the required amount of oxalic aciddihydrate to prepare 200 mL of 0.50M oxalic acid solution?

6


Which of the following might you use to titrate an oxalic acid solution?

NaOH


Could you prepare oxalic acid by adding HCl to a solution of sodium oxalate cooling it to room temp and filtering the resulting mixture?

No we cannot prepare Oxalic acid by the given method. Solubility of Sodium Oxalate is less in comparison to solubility of Oxalic acid. So whatever oxalic acid is formed will remain in the solution and cannot be precipitated out in the form of solid


What is the normality of 1m oxalic acid?

The normality of 1M oxalic acid is 1N. This means that every mole of oxalic acid in 1 liter of solution has the capacity to donate or accept 1 equivalent of acid-base species.


How do you prepare standard solution of oxalic acid?

Oxalic acid (M.W.= 90 g/mol) is available in the lab as oxalic acid dihydrate crystals (M.W. = 126 g/mol). A standard solution of Oxalic acid or ethandioic acid can be used as a standard solution to standardise other alkali solutions because oxalic acid crystals are non-hygroscopic in nature. To prepare a 1 liter 1N solution of oxalic acid, follow these steps: 1. Carefully weigh 0.5 mol or 63 g of oxalic acid dihydrate crystals. This is because th n-factor of oxalic acid is 2 and so 1 mole of oxalic acid = 2 equivalents of oxalic acid. 2. Wash the 1 litre volumetric flask first with tap water (thrice), then with chromic acid solution (once but thoroughly) and finally with distilled water so as to remove any contaminants from the glassware. 3. Pour the crystals in the volumetric flask and add some distilled water. Shake the mix to dissolve the crystals in the solvent. 4. Make-up the volume to 1-litre by adding more distilled water.


Why can MnO2 stains on glassware be easily removed by rinsing with an oxalic acid solution?

MnO2 gets reduced by the reducing agent (in this case oxalic acid). But i do think the solution needs to be acidified to provide a anion ion for the Mn2+ ions that will be produced.


Will the normality of an H2C2O4 solution increase or decrease if the solution is stored in a clear bottle in a lighted room?

Oxalic acid is a stable compound.


Will the normality of an h2c2o4 solution increase or decrease of the solution is stored in a clear bottle in a lighted room?

Oxalic acid is a stable compound.


How do you prepare saturated solution given 1gram of oxalic acid in 7g of water?

1 gram Oxalic Acid in 7 ml of water at room temperature - 1 gram per 2 ml of hot water will provide saturated solution.


Could you prepare oxalic acid by adding hcl to a solution og sodium oxalate?

Yes, it is possible to prepare oxalic acid by adding hcl to a solution og sodum oxalate. The balance equation would be C2O4Na2 + 2HCl -----> 2NaCl + C2O4H2.