why ethanoic acid when reacts with sodiumbicarbonate forms CO2 and water rather than carbonic acid ?
Asked by | 30th Dec, 2009, 12:51: PM
See carbonic acid is the reaction product of water and carbon dioxide and exists in an equilibrium with water and carbon dioxide whenever the latter is dissolved in the former.
H2O (l) + CO2 (g) H2CO3 (aq)
In this reaction a majority of the carbon dioxide is not converted into carbonic acid and stays as CO2 molecules. Also, to increase the concentration of carbonic acid, the pressure has to be high.
Thus, in the reaction mentioned in the question, we get CO2 and water.
Answered by | 30th Dec, 2009, 04:10: PM
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