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In the reaction of sodium thiosulphate and iodine in aqueous medium the equivalent weight of sodium thiosulphate is equal to what?
The equivalent weight of sodium thiosulfate in the reaction with iodine is equal to its molar mass divided by the change in oxidation state of sulfur during the reaction. Since sulfur in thiosulfate changes from +6 to +2 during the reaction, the equivalent weight would be the molar mass of thiosulfate divided by 4.
What color is Sodium Thiosulphate?
Sodium thiosulphate is typically white in color, appearing as a crystalline powder or solid.
What is the boiling point of sodium thiosulphate?
The boiling point of sodium thiosulphate is 100 degrees Celsius, the same as water.That would be 212 degrees Fahrenheit.
Is sodium thiosulphate conductive?
Sodium thiosulfate is not conductive because it does not dissociate into ions in solution. It is a non-electrolyte.
Why is starch indicator added after sodium thiosulphate?
Starch indicator is added after sodium thiosulphate in iodometric titrations to help visualize the endpoint of the reaction. Starch reacts with any excess iodine produced at the endpoint, forming a dark blue-black color, allowing for easier detection of when all the thiosulphate has reacted.
In the reaction of sodium thiosulphate and iodine in aqueous medium the equivalent weight of sodium thiosulphate is equal to what?
The equivalent weight of sodium thiosulfate in the reaction with iodine is equal to its molar mass divided by the change in oxidation state of sulfur during the reaction. Since sulfur in thiosulfate changes from +6 to +2 during the reaction, the equivalent weight would be the molar mass of thiosulfate divided by 4.
What color is Sodium Thiosulphate?
Sodium thiosulphate is typically white in color, appearing as a crystalline powder or solid.
Why use sodium Bicarbonate for titration of sodium thiosulphate using pottasium dicromate?
because sodium thiosulphate is unstable and iodine also so to maintain neutral medium we have to use sodiumcarboate
What is a bromin?
Sodium thiosulphate solution (5-25 %)
Equivalent weight of sodium thiosulphate is equal to its molecular weight why?
The equivalent weight is the gram molecular weight divided by the number of electrons lost or gained by each molecule; e.g., potassium permanganate (KMnO4) in acid solution, 158.038/5 g; potassium dichromate (K2Cr2O7), 294.192/6 g; and sodium thiosulfate (Na2S2O3·5H2O), 248.1828/1 g. In case of Sodium Thiosulfate the reation proceeds as under: I2 + 2 Na2S2O3 → Na2S4O6 + 2 NaI 2 Na2S2O3 ≡ I2 ≡ Cl2 ≡ 2 e Hence Na2S2O3 ≡ 1 e Thus Molecular weight devded by 1 is the equivalent weight & hence both have same value
Indicator used during the standardization of sodium thiosulphate?
Starch
What is the boiling point of sodium thiosulphate?
The boiling point of sodium thiosulphate is 100 degrees Celsius, the same as water.That would be 212 degrees Fahrenheit.
What does sodium thiosulphate and hydrochloric acid react to form?
sodium chloride, sulphur, sulphur dioxide and water
Is sodium thiosulphate conductive?
Sodium thiosulfate is not conductive because it does not dissociate into ions in solution. It is a non-electrolyte.
What is the chemical symbol for sodium thiosulphate?
The chemical symbol for sodium thiosulphate (hypo) is Na2S2O3•5H2O.
What is the use of Sodium thiosulphate in iodometry?
In iodometry sodium thiosulphate is used because it is standardized by potassium dichromate and it is the best and relaible way to standardized sodium thiosulphate using iodometric titration. Infact sodium thiosulphate is also standardized by iodimetry. The difference between both of them is only of iodine. In iodometry iodine gas is liberated that will further react with sodium thiosulphate but in iodimetry standard solution of iodine is used.
What is the compound symbol of sodium bicarbonate?
The chemical symbol for sodium thiosulphate (hypo) is Na2S2O3•5H2O. Hope that helps.
