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We would certainly expect benzoic acid to be more acidic than methanoic acid, due to stabilisation of the benzoate anion caused by the delocalisation of the electrons on the oxygen atom over the benzene ring.
However, in practice, it is found that methanoic acid is actually more acidic than benzoic acid(has a greater Ka value).
This is because methanoic acid is more soluble in water than benzoic acid, so there is greater ionisation of methanoic acid in water than benzoic acid.
What else can I help you with?
Which is more acidic formic acid or benzoic acid?
Formic acid is more acidic than benzoic acid. This is because formic acid has a simpler molecular structure with a hydrogen atom attached to a carboxyl group, making it easier to release the acidic hydrogen ion compared to benzoic acid, which has a more complex aromatic ring structure.
Which is more acidic benzoic acid or acetic acid?
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.
Which is more acidic ortho-nitro benzoic acid or ortho-methoxy benzoic acid?
Ortho-nitrobenzoic acid is more acidic than ortho-methoxybenzoic acid because the nitro group is an electron-withdrawing group that stabilizes the negative charge on the conjugate base through resonance, making it easier to lose a proton. The methoxy group, on the other hand, is an electron-donating group that destabilizes the conjugate base, making it less acidic.
What should be the approximate pH and composition of aqueous system to dissolve benzoic acid?
To dissolve benzoic acid, the aqueous system should be slightly acidic with a pH around 2-3. This can be achieved by adding a small amount of hydrochloric acid to water. Benzoic acid is sparingly soluble in pure water but dissolves more readily in an acidic solution due to the formation of benzoate ions.
Which is more acidic benzoic acid or o-acetylbenzoic acid?
They have about the same strength. However, 2-acetylbenzoic acid should be slightly more acidic due to electron push from the oxygen atoms (and we are talking only SLIGHTLY). o-acetyl groups can be used to direct reactions to a particular position on the benzoic ring...depending on which reaction, and which position you are trying to diversify... I believe...
Which is more acidic formic acid or benzoic acid?
Formic acid is more acidic than benzoic acid. This is because formic acid has a simpler molecular structure with a hydrogen atom attached to a carboxyl group, making it easier to release the acidic hydrogen ion compared to benzoic acid, which has a more complex aromatic ring structure.
Which is more acidic benzoic acid or acetic acid?
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.
What is the picricacid formual?
picric acid (or 2,4,6-trinitrophenol) is more acidic than benzoic acid The pKa or picric acid is 0.3 and that of benzoic acid is 4.2
Which is more acidic ortho-nitro benzoic acid or ortho-methoxy benzoic acid?
Ortho-nitrobenzoic acid is more acidic than ortho-methoxybenzoic acid because the nitro group is an electron-withdrawing group that stabilizes the negative charge on the conjugate base through resonance, making it easier to lose a proton. The methoxy group, on the other hand, is an electron-donating group that destabilizes the conjugate base, making it less acidic.
What should be the approximate pH and composition of aqueous system to dissolve benzoic acid?
To dissolve benzoic acid, the aqueous system should be slightly acidic with a pH around 2-3. This can be achieved by adding a small amount of hydrochloric acid to water. Benzoic acid is sparingly soluble in pure water but dissolves more readily in an acidic solution due to the formation of benzoate ions.
Which is more acidic benzoic acid or o-acetylbenzoic acid?
They have about the same strength. However, 2-acetylbenzoic acid should be slightly more acidic due to electron push from the oxygen atoms (and we are talking only SLIGHTLY). o-acetyl groups can be used to direct reactions to a particular position on the benzoic ring...depending on which reaction, and which position you are trying to diversify... I believe...
What is chemical formula of methanoic acid?
methanoic acid = HCOOH sodium hydroxide = NaOH The equation for the reaction is as follows: methanoic acid + sodium hydroxide -> sodium methanoate + water HCOOH + NaOH -> NaCOOH + H2O
Why o-hydroxy benzoic acid is strong than m-hydroxy benzoic acid?
o-Hydroxybenzoic acid is stronger than m-hydroxybenzoic acid because the hydroxyl group in o-hydroxybenzoic acid is in closer proximity to the carboxylic acid group, allowing for stronger intramolecular hydrogen bonding. This results in greater stabilization of the molecule and higher acidity.
Is a bee alkali?
No, bee venom is acidic with a pH of 4.5 to 5.5. It contains formic (or methanoic) acid. However, it is not the acid that does the damage. More significant are the protein peptides melittin, apamin and phospholipase A2.
Is a bee wasp and nettle sting acid or alkali?
Bee venom is acidic, with a pH of between 5.0 and 5.5.Wasp venom is nearly neutral, with a pH of 6.8 to 6.9.Nettle sting contains formic acid (also known as methanoic acid), as does the sting of the red ant.
What is the derivative of benzoic acid?
The derivative of benzoic acid is sodium benzoate, which is often used as a preservative in food and beverages due to its antimicrobial properties. Sodium benzoate is the sodium salt of benzoic acid and is more soluble in water than benzoic acid itself.
A mixture of camphor and benzoic acid can be easily separated by?
Benzoic acid is more soluble than camphor in ethanol. The solution can be filtrated.
