Problems with the reaction between concentrated sulfuric acid and sodium nitrite

2017-01-17View Original

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What is produced when concentrated sulfuric acid (hot) reacts with sodium nitrite? What is a chemical equation? Thank you!

Reply #22017-01-18

H2SO4 + NaNO2 (cold, dilute) = Na2SO4 + 2HNO2 H2SO4 + NaNO2 (cold, concentrated) = Na2SO4 + N2O3 (blue) + H2O H2SO4 + NaNO2 (hot, dilute) = Na2SO4 + NO2 + NO + H2O

Reply #32017-01-18

Thank you for the reply from above, but I have some doubts. Doesn’t the reaction produce nitrosyl sulfate?

Reply #42017-01-18

When fuming nitric acid reacts with sulfur dioxide, nitrosyl sulfate is formed. However, such an environment in which sulfur dioxide is continuously introduced does not exist, so nitrosyl sulfate cannot be produced

Reply #52017-01-18

:) I’m referring to the synthesis environment of nitrosyl sulfate

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Problems with the reaction between concentrated sulfuric acid and sodium nitrite

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