Butanoic acid is more acidic. Presence of electron donating methyl group (as in 3-methyl butanoic acid) will decrease the acidity.
Methyl orange is an acid/base indicator changing from orange-yellow to red when pH lowers from 4.4 to 3.1, thus indicating the endpoint (pH ~ 4) of the 'bicarbonate (HCO3-) to carbonic acid (H2CO3)'-titration with dilute strong acid (HCl).
Benzoic acid is the stronger acid compared to ethanoic acid. However, ethanoic acid is more corrosive and will burn skin etc more than benzoic acid. Corrosivity/burn potential are not the same as acid strength. This is due to the delocalisation of the lone pair of electrons on the oxygen atom into the benzene, increasing the polarity of the -OH bond and thus makes the cleaving of the H+ ion easier. The delocalisation of electrons into the benzene ring also stabilises the carboxylate ion. Therefore the position of equilibrium lies more to the right and this shows that benzoic is a more acidic acid. The simplified version is that a benzene ring is electron withdrawing and a methyl group is electron releasing. The electron withdrawing power makes the releasing of the H+ ion easier.
Nitric acid is more acidic, in general the oxy acid having high ratio of oxygen is more acidic.
One side methyl group- otherwise virtually identical identical- formula is the same. I bet the properties are very close. That methyl group in isopropyl hexadeconoate probably has a bit more effect on the oxyl main chain than if it was far away- probably slightly more acidic.
Benzoic Acid
Methyl orange is an acid/base indicator changing from orange-yellow to red when pH lowers from 4.4 to 3.1, thus indicating the endpoint (pH ~ 4) of the 'bicarbonate (HCO3-) to carbonic acid (H2CO3)'-titration with dilute strong acid (HCl).
salicylic acid (an acid) is more polar than methyl salicylate (an ester)
Benzoic acid is the stronger acid compared to ethanoic acid. However, ethanoic acid is more corrosive and will burn skin etc more than benzoic acid. Corrosivity/burn potential are not the same as acid strength. This is due to the delocalisation of the lone pair of electrons on the oxygen atom into the benzene, increasing the polarity of the -OH bond and thus makes the cleaving of the H+ ion easier. The delocalisation of electrons into the benzene ring also stabilises the carboxylate ion. Therefore the position of equilibrium lies more to the right and this shows that benzoic is a more acidic acid. The simplified version is that a benzene ring is electron withdrawing and a methyl group is electron releasing. The electron withdrawing power makes the releasing of the H+ ion easier.
Nitric acid is more acidic, in general the oxy acid having high ratio of oxygen is more acidic.
It's a Carboxylic acid attached to a propyl group.In this case, the systematic/IUPAC name is Butanoic Acidor more commonly Butyric acid.
One side methyl group- otherwise virtually identical identical- formula is the same. I bet the properties are very close. That methyl group in isopropyl hexadeconoate probably has a bit more effect on the oxyl main chain than if it was far away- probably slightly more acidic.
Benzoic Acid
methanesulfonic acid
Hydrochoric acid is more acidic than Picric acid.Added: Ka(Picric acid) = 0.38, Ka(HCl) >>1
sulphuric acid of course.
Acetic acid. While all are soluble in water, the longer chains in pentanoic and octanoic acid create significant dispersion interactions, decreasing their solubility in water compared to the smaller acetic acid molecule. Source: college chemistry student.
stomach acid