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Briefly explain why you would expect benzoic acid to be soluble in the two solve

ID: 725796 • Letter: B

Question

Briefly explain why you would expect benzoic acid to be soluble in the two solvents water and dicloromethane

Explanation / Answer

Dichloromethane (CH2Cl2, also called methylene chloride) is the organic solvent BOth are therfore organic compounds... As far i knew..phenyl ring compounds viz., benzene ,benzoates are insoluble in water.. The extraction of a compound, such as benzoic acid, which is slightly soluble in water yet very soluble in dichloromethane, is an equilibrium processed governed by the solubilities of the carboxylic acid in the two solvents.in 2 proceudres A n B. In Part A procedures, the extraction of benzoic acid in water and dichloromethane will be conducted. In part B procedures, conditions of the extraction of benzoic acid will be changed making the water layer basic (pH>7) by substituting water with aqueous sodium hydroxide. Under the conditions in part B, the sodium hydroxide in the aqueous layer will react with benzoic acid to form sodium benzoate ion which is very soluble in water, yet slightly soluble in dichloromethane. So..u can confirm that Nabenzoate is slightly soluble...in DCM and as my frnd said earlier..agitation applied may increase solubility range. Moreover..simple point is ..organic compds soluble in organic solvents..but the solubility may be slightly or totallly miscible...:)

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