pKa
The negative log of the acidity constant Ka. A measure of acidity that spans 60 orders of magnitude. Very strong acids have strongly negative pKa‘s (e.g. -10 for H–I); very weak acids have large pKa‘s (e.g. 50 for CH4).
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The negative log of the acidity constant Ka. A measure of acidity that spans 60 orders of magnitude. Very strong acids have strongly negative pKa‘s (e.g. -10 for H–I); very weak acids have large pKa‘s (e.g. 50 for CH4).