Question

Briefly explain the different theories of indicators.​

Answer 1

Answer:

Theory of acid-base indicators: Two theories have been proposed to explain the change of colour of acid-base indicators with change in pH. 1. Ostwald's theory: According to this theory: (b) The ionisation of the indicator is largely affected in acids and bases as it is either a weak acid or a weak base.

Answer 2

Answer:

theory of indicator

Explanation:

the ionisation of the indicator is largely affected in acids and bases as it is either a weak acid or a weak base.