polyprotic sentence in Hindi
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- If acids are polyprotic, then each proton will have a K a.
- Similar approaches can be used for multiple polyprotic buffers.
- Calculation of the pH with a polyprotic acid requires a speciation calculation to be performed.
- *Perhaps a little bit more detail about the speciation in polyprotic acids could be added.
- The Bjerrum plots for other polyprotic acids, including phosphoric acids, can also be constructed.
- Phosphorylethanolamine is a polyprotic acid with two pKa values at 5.61 and 10.39.
- Many of these acids, however, are polyprotic, and in such cases, there also exists one or more intermediate anions.
- *One factor affecting the pKa's of polyprotic acids that has not been mentioned is entropy due to having multiple deprotonated configurations.
- For polyprotic acids, calculating the acid dissociation constants is only marginally more difficult : the first acid dissociation constant can be calculated the same way as it would be calculated in a monoprotic acid.
- Most often, the carbonate system is plotted, where the polyprotic acid is carbonic acid ( a diprotic acid ), and the different species are carbonic acid, carbon dioxide, bicarbonate, and carbonate.
- Calculation of the species concentrations for a polyprotic acid is more complicated unless the pK values are separated by four or more, because three or more species may co-exist at a given pH . The example of citric acid is shown at the right.
- :What you'll find is that unless the desired pH is within about one pH unit of one of thee pKa's of one of the buffers ( ignoring the Bicarbonate buffering system gas-exchange issue ), you'll not get appreciable buffering-if A doesn't buffer by itself, and B doesn't buffer by itself, the A + B combination won't do anything special unless they interact somehow . ( And amino acids aren't special-treat them just like any other polyprotic acid )-- talk ) 04 : 36, 5 January 2013 ( UTC)
- But what you are requiring in terms of detail and introduction in the lead would require an article to be created, " Introduction to the Acid dissociation constant article . " It is logically inconsistant and a slipperly slope for Petergans to not be able to assume that ( and I'm pulling examples out of the FAC Nom comments ) readers will not know what a logarithm is, the structure of the atom ( Hydrogen ion = proton ), dissociation = splitting of a chemical compound into two or more parts ( all previous suggested by Vassyana ), definitions of exothermic and endothermic, that non-aqueous is defined and discussed later in the article ( and the lead does actually link to a later part of the article ), monoprotic versus polyprotic acids . . . . should we start including these in the lead of every chemistry article ? talk ) 07 : 15, 30 November 2008 ( UTC)
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