Biochemistry Proteins and Amino Acids 8cd6d7cf

pKA=pH when:

Solute is completely ionised

When the concentration of ionised and unionized form is same

Solute is completely unionized

All of the above

High-Yield Explanation

Ans. B. When the concentration of ionized and unionized form is sameThis question is an application of Henderson Hasselbalch equation.It ispH=pKa+log/ is concentration of ionised form is concentration of unionised form.When =, thenpH=pKa+log/pH=pKa+log1i.e.pH=pKa+0

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