Chemistry, asked by vihaan10, 1 year ago

Explain ostwald theory of indicators?

Answers

Answered by ayush288
2
Theory of acid-base indicators: Twotheories have been proposed toexplain the change of colour of acid-base indicators with change in pH. 1.Ostwald's theory: According to thistheory: ... (b) The ionisation of theindicator is largely affected in acids and bases as it is either a weak acid or a weak base.
Answered by Anonymous
2
*According to this theory all indicators are either weak organic acid or base.

*Every indicator has light colour in its unionised form and dark colour in ionised form.

*Every indicator has one colour in acidic medium and an altogether different colour in basic medium due to common ion effect and odd ion effect.

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