Chemistry, asked by nusratjahan474824, 23 days ago

presentation on standardization of sodium thiosulphate solution with standard potassium dichromate.​

Answers

Answered by Anonymous
3

Sodium thiosulphate solution is standardized against potassium dichromate in presence of hydrochloric acid and potassium iodide. ... The iodine formed in the reaction oxidizes sodium thiosulphate giving sodium tetrathionate ion and the end point is detected by starch solution.

Similar questions