Question

difference between internal and external indicators and advantage anf disadvantages?​

Answer 1

Answer:

Internal indicators are those in which one of the reactant act as self indicator. Eg KMnO4 act as self indicator in Permanganate titrations.

External indicators are which are added from outside and detects the change in pH etc. eg Phenolphthalein and Methyl Orange added in Acid base titrations.

Answer 2

Answer:

Indicators in which one of the reactants behaves as an indicator is known as an internal indicator. KMnO4 is an example of an internal indicator. Indicators that are added externally and which do not exist in the reactants are known as an external indicator. Methyl orange is an example of an external indicator.

Explanation:

hope this will helpful for you

thanks have a nice day

borahae