Polyprotic Titrations

[Avery07]

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Has anyone bothered learning about polyprotic titrations? I wouldn't think this would be tested over on the DAT??

 

[UndergradGuy7]

Has anyone bothered learning about polyprotic titrations? I wouldn't think this would be tested over on the DAT??

Pretty much same thing as monoprotic, just use the pka of the right proton pKa1 or pKa2 and so on.

I don't think it would be tested on the DAT, except for maybe in a buffer type of problem. pH = pKa + log ...

So that you have to pick our the right pKa, the one closest to your wanted pH etc.

Also might appear on a titration curve and locate the second equivalence point etc. Or which is the dominant form of the acid at this point in the curve.

 

[Avery07]

Pretty much same thing as monoprotic, just use the pka of the right proton pKa1 or pKa2 and so on.

I don't think it would be tested on the DAT, except for maybe in a buffer type of problem. pH = pKa + log ...

So that you have to pick our the right pKa, the one closest to your wanted pH etc.

Also might appear on a titration curve and locate the second equivalence point etc. Or which is the dominant form of the acid at this point in the curve.

Yeah, I get all of that stuff. I was talking in terms of calculations. I'm assuming they won't test on it as it is difficult enough to test over monoprotic titration calculations without the calculator.