The substance to be analyzed – is white, highly soluble in water salt. When interacting with concentrated sulfuric acid – evolving of some gas with pungent odour can be observed. Reaction with sodium hydroxide in presence of hydrogen peroxide leads to formation of reddish brown precipitate. Reaction with nitric acid in presence of solid sodium bismuthate gives “pompadour” (raspberry-red) color. After precipitation of cation by “sodium carbonate drawing out” method, supernatant was treated by silver nitrate solution in acid medium – appearance of white precipitate, which soluble in saturated ammonium carbonate solution, has been observed. What kind of salt is this? Explain you answer, provide chemical equation
The substance to be analyzed – is white, highly soluble in water salt. When interacting with concentrated sulfuric acid – evolving of some gas with pungent odour can be observed. Reaction with sodium hydroxide in presence of hydrogen peroxide leads to formation of reddish brown precipitate. Reaction with nitric acid in presence of solid sodium bismuthate gives “pompadour” (raspberry-red) color. After precipitation of cation by “sodium carbonate drawing out” method, supernatant was treated by silver nitrate solution in acid medium – appearance of white precipitate, which soluble in saturated ammonium carbonate solution, has been observed. What kind of salt is this? Explain you answer, provide chemical equation
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter11: Solutions
Section: Chapter Questions
Problem 39P
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1. The substance to be analyzed – is white, highly soluble in water salt. When interacting with concentrated sulfuric acid – evolving of some gas with pungent odour can be observed. Reaction with sodium hydroxide in presence of hydrogen peroxide leads to formation of reddish brown precipitate. Reaction with nitric acid in presence of solid sodium bismuthate gives “pompadour” (raspberry-red) color. After precipitation of cation by “sodium carbonate drawing out” method, supernatant was treated by silver nitrate solution in acid medium – appearance of white precipitate, which soluble in saturated ammonium carbonate solution, has been observed. What kind of salt is this? Explain you answer, provide chemical equations
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