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pKa=2.86
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What is the pKa value of benzoic acid?
The pKa value of benzoic acid is approximately 4.2.
What is the pka of fluoroacetic acid?
The pKa of fluoroacetic acid is approximately 2.7. It is a weak acid with a dissociation constant similar to acetic acid.
Is formic acid stronger than nitrous acid?
Formic acid is stronger than nitrous acid. This is because formic acid is a stronger acid with a lower pKa value compared to nitrous acid. The lower the pKa value, the stronger the acid.
What is the pka of an acid whose ka is 6.510-6?
The pKa of an acid is calculated by taking the negative logarithm (base 10) of the acid dissociation constant (Ka). In this case, the pKa would be approximately 5.19.
What is the pKa of cholic acid and urea?
Cholic acid is a bile acid, a white crystalline substance insoluble in water, with a pKa of about 5.5. Urea is an organic compound with the chemical formula (NH2)2CO often found in the urine of animals, with a pKa of about 0.18.
Is aspirin a strong acid?
Salicylic acid has a pKa of 1.96 and acetylsalicylic acid (Aspirin) has a pKa of 3.48. Therefore salicylic acid is the stronger acid.
What is the PKa of chlorosulfonic acid?
The pKa of chlorosulfonic acid is approximately -6.3. It is a very strong acid due to the electronegativity of the chlorine and sulfur atoms, making it highly acidic.
What is pKa in chemistry?
It refers to the acidity of the fatty acid (which make up the oils). Every fatty acid is composed of a non-polar long chain of hydrocarbons (carbon and hydrogen) and a polar head made up of Carboxylic ACID. Every acid has something called pKa which determines the acidity of that acid.The bigger the pKa (e.g. 25), the weaker the acid.The smaller ther pKa (e.g. 2), the stronger the acid.
H2SO3 or HCl the strongest acid?
HCl is a stronger acid than H2SO3. HCl is a strong acid that completely dissociates in water to release H+ ions, while H2SO3 is a weak acid that only partially dissociates to release H+ ions.
What is stronger vinegar or carbonic acid?
Carbonic acid is stronger than vinegar. Vinegar is mainly acetic acid dissolved in water, whereas carbonic acid is formed when carbon dioxide dissolves in water. Carbonic acid is a weak acid but is stronger than acetic acid.
What is the pka value of ether?
Ethers do not have a defined pKa value because they do not contain any protons that can be donated or accepted in an acid-base reaction. Therefore, ethers are considered to be neutral compounds.
The Ka of an unknown weak acid is 5.4 x 10 to the power of negative 10. Determine the pKa of the weak acid?
pKa = -log KapKa = -log 5.4x10^-10pKa = 9.27
What is pka value for sodium bicarbonate?
There are two answers: bicarbonate has two pKa's - because bicarbonate can gain a proton to become carbonic acid or lose a proton to become carbonate. Two reactions; two pKa's. The pKa for bicarbonate carbonic acid reaction is 6.4 The pKa for bicarbonate carbonate reaction is 10.3 Both pKa's are temperature sensitive.
The acid base indicator bromcresol green is weak acid. The yellow acid and blue base forms of the indicator are present in equal concentrations in a sloution when the pH 4.68. What is b.g. pKa?
By definition, the pKa of a weak acid is the pH at which the concentrations of the acid and its conjugate base are equal. In this case, since the solution is yellow (acid) and blue (base) at pH 4.68, it means that the concentration of the acid and base forms of the indicator are equal. Therefore, the pKa of bromcresol green is 4.68.
Mandelic acid pka?
The pKa of mandelic acid is around 3.4 for the carboxylic acid group and around 9.8 for the phenolic hydroxyl group. This means that mandelic acid is a weak acid, with the carboxylic acid group being more acidic than the phenolic hydroxyl group.
What is the pka of fluoroacetic acid?
The pKa of fluoroacetic acid is approximately 2.7. It is a weak acid with a dissociation constant similar to acetic acid.
What is pka value for sodium hydride?
The pKa value for sodium hydride (NaH) is approximately 36. This means that NaH is a very strong base that readily donates a proton in a reaction.
