6. 10 points. Describe a micelle and explain how micelle formation brings oil an
ID: 1038090 • Letter: 6
Question
6. 10 points. Describe a micelle and explain how micelle formation brings oil and grease into water solution. o points. Will a carboxylic acid be more soluble in acidic solutions or basic solutions ? Why? 8. 10 points. Molecules of which type of compound do you think would have the more polar bonds: amines or amides? Why? 9. 10 points. hydrolysis Identify one difference between ester hydrolysis and amide 10. 10 points. What type of compound can result from both ester hydrolysis and amide hydrolysis?Explanation / Answer
6. Micelles are the aggregates of the surfactants molecules which generally use to consist hydrophobic and hydrophilic end in it. The hydrophilic end is polar in nature while hydrophobic end called tail of the surfactant is nonpolar in nature. The formation of the micelles used to happen at a critical concentration of the surfactant molecules. The nonpolar tail is able to dissolve the oily and greasy particle and brings in the aqueous polar side and because of this process to form an aggregate which works for the removal of the oil and grease from the surface of the cloths.
7. The carboxylic acid solution will be more soluble in the acidic medium because the favourable pH conditions which enhance the dissociation tendency of the acid that results in the form of a greater solubility.
8. Out of amines and amide molecules, the polarity of the amide molecules will be much in comparison with the amine. It is because of the availability of the O atom which is much electronegative N atom. Because of greater electronegativity, it will give more dipole moment for amide molecules hence it will be more polar in the case of amides.
9. Ester hydrolysis can be performed in basic as well as in acidic medium without heat supplying while amide hydrolysis can be performed only in the acidic media with the heating condition.
10. From the hydrolysis of the ester a set of carboxylic acid and alcohol use to form while in the case of amide after hydrolysis it will generate the amines in addition to the carboxylic acid.
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