The mixture of phenol and benzoic acid is separated by adding [tex]NaHCO_{3}[/tex] to produce brisk effervescence.
When benzoic acid react with [tex]NaHCO_{3}[/tex] then sodium benzoate is produced which is soluble in water and separated from non aqueous solvent . Organic compounds are soluble in organic solvent and inorganic compound mainly soluble in inorganic solvent like water.
What is brisk effervescence?
Brisk effervescence is when continuous gas evolution occurs in a chemical reaction like CO2. When HCl is added in [tex]NaHCO_{3}[/tex] then CO2 evolved.
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