Chemistry, asked by maakram, 1 year ago

Why KMnO4 act as a self indicator

Answers

Answered by abhi00

KMnO4 solutions are dark purple. When used as a titrant, as soon as the endpoint is reached and the KMnO4- is in excess, the solution has a permanent pink hue (provided that the solution is initially colorless). Thus KMnO4 acts as its own indicator.

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