Question

All examples of self indicator

Answer 1

KMnO4 and K2Cr2O7 are self indicators

Answer 2

The best examples of self indicator is $KMnO_4$ .

Explanation:

• Indicator are used to changes the colour in 'response to a chemical reaction'.

• It is added to determine the 'endpoint' for 'volumetric complexometric titration'.

• The best example of self indicator is Potassium Permanganate(KMnO4)

• After completion of titration, the 'colour of the solution' becomes 'transparent'.

• But when one more drop 'Potassium Permanganate is added' it changes the colour of solution to light pink indicating the endpoint of titration.

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