Below is a table of boiling points (BP) and water solubilities for three carboxy

Question

Below is a table of boiling points (BP) and water solubilities for three carboxylie acids. Explain (in terms of weak non-covalent interactions) the large jump in BP between Hexanoic and Benzoic acids (pure bulk phase); be detailed in your answer When the linear alkyl portion of a straight chain hydrocarbon carboxylic acid becomes very long, e.g. C_12 rightarrow C_16, the individual molecules aggregate into a micelle (below). Label the features of this aggregate e.g circles vs lines. Explain (mechanistically) how this structure is the basis for the cleaning action of soap. Use the example Lauric acid (C_12) to illustrate the mechanism of micelle formation and how micelles absorb hydrophobic ('greast') chemicals. What weak non-covalent interactions allow the micelle to absorb hydrophobic solutes while remaining solubilized and suspended in an aqueous environment?

Explanation / Answer

aromatic caboxylic acids are more stable than that of its aliphatic congener. as we see the conjugate base of aliphatic acid is not that stable as that aromatic . in aromatic system that conjugate base's negative charge is delocalized over the entire benzene ring.. So this aromatic system is more stabilized, as a result sharp increase in boiling point

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