write a short note on ostwald and quinonoid theories of acid base titrations
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Ostwald's theory and Quinonoid Theory
There are two theories to explain the function of acid-base indicators.
This theory was proposed by Ostwald's in 1891. ...
HPh (Unionised form (colourless) < -- -- -- > H+ + Ph - (ionised form (pink) )
In acidic medium, excess H+ ions are present which suppress the dissociation of HpH due to common ion effect.
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