Answer to Question #166686 in General Chemistry for Luxlakna Nith

Question #166686

When we performed an acetaldehyde test in the presence of Na2SO3 the production of CO2 was very low. why?


1
Expert's answer
2021-03-03T01:32:08-0500

This is the sulfite method. The sulfite method is based on the property of aldehydes to form a bisulfite compound with sodium sulfite with the release of caustic soda

CH3CHO+Na2SO3+H2O = CH3CH(OH)SO3Na+NaOH

in this reaction, carbon dioxide is not formed at all


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