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27 paź 2017 · Below are tables that include determined pKa values for various acids as determined in water, DMSO and in the gas Phase. These tables are compiled in PDF files below. For a more comprehensive discussion on this topic, please see Acidity and Basicity by professor William Reusch, Michigan State University.
- Fundamentals of Organic Chemistry
This section of professor Reich's collection contains...
- Reduction and Oxidation
Reduction and Oxidation - Bordwell pKa Table - Organic...
- Pericyclic Reactions
Pericyclic Reactions - Bordwell pKa Table - Organic...
- Organometallic Chemistry
Organometallic Chemistry - Bordwell pKa Table - Organic...
- Reactive Intermediates
This page by Professor Hans Reich (UW-Madison) provides some...
- Named Reagents
Named Reagents - Bordwell pKa Table - Organic Chemistry Data
- Natural Product Syntheses
This set of pages is a collection of short natural product...
- Acronyms
lf the aldol reaction is considered a name reaction, and all...
- Fundamentals of Organic Chemistry
29 lip 2024 · Our table shows Ka values for weak acids, including the Ka of acetic acid, to help you understand acid strength and dissociation in aqueous solutions.
16 cze 2024 · The following table provides pK a and K a values for selected weak acids. All values are from Martell, A. E.; Smith, R. M. Critical Stability Constants, Vols. 1–4. Plenum Press: New York, 1976. Unless otherwise stated, values are for 25 o C and for zero ionic strength. Those values in brackets are considered less reliable.
pKa is negative log of the acid dissociation constant (Ka). pKa = − logKa. Acid dissociation constant is the equilibrium constant of the dissociation of ions of an acid in an aqueous solution. Consider a weak acid HA. Weak acids do not dissociate completely in aqueous solution. The equilibrium for the dissociation of such acids can be expressed as.
pKa is a value that indicates how weak or powerful an acid is in simple terms. The pKa of a strong acid is less than zero. pKa is the negative log base ten of the Ka value, to be precise (acid dissociation constant).
Our table of pK a values will also allow us to compare the strengths of different bases by comparing the pK a values of their conjugate acids. The key idea to remember is this: the stronger the conjugate acid, the weaker the conjugate base .
18 lip 2024 · Here is a table of pK a values for common acids and functional groups. The pKa values change with different substituents on the acids. The stronger the acid, the weaker the conjugate base. This should make sense as a weak base is unlikely to reabstract a proton and return to its original acidic form.
