Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryREPEATER 20242 Marks
Question
Define Buffer solution. Write the Henderson Hasselbalch equation for acidic buffer.
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Answer
Buffer solution: Buffer solution is defined as a solution which resists drastic changes in pH when a small amount of strong acid or strong base or water is added to it. Henderson Hasselbalch equation for acidic buffer: $p H=p K_a+\log _{10} \frac{[\text { salt }]}{[\text { acid }]}$ Where, $p K_\alpha=-\log _{10} K_a$ and $K_a$ is the dissociation constant of the acid.
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