A solution of sodium thiosulphate become cloudy with the formation of a yellow precipitate when left in air. Explain.
carbon dioxide dissolve in water to form carbonic acid; the acid hydrolyzes thiosulphate to yellow sulphur
S2O32- (aq) + 2H+ (aq) → H2O (l) + SO2 (g) + S (s)
CATEGORIES A-Level Chemistry
TAGS Dr. Bbosa Science
