What is the purpose of adding concentrated HCl to the aqueous layer collected in the extraction?
What is the purpose of adding concentrated HCl to the aqueous layer collected in the extraction? Neutralization of the carboxylic acid salt and excess sodium bicarbonate with concentrated hydrochloric acid. It is critical to add an amount of HCl necessary to completely neutralize the base, otherwise the yield of carboxylic acid will suffer. Why is […]