Chemistry, asked by alammusain739, 21 days ago

describe ostwald theory of indicators talking the example we phenolphthalein

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Answered by priyamdas662

Answer:

Ostwald's theory: According to this theory:

(a) The colour change is due to ionisation of the acid-base indicator. The unionised form has different colour than the ionised form. (b) The ionisation of the indicator is largely affected in acids and bases as it is either a weak acid or a weak base..

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