MCQ
In a solution of $\text{KMnO}_4, \text{MnO}_4^-$ acts as a:
- AInduced indicator.
- ✓Self indicator.
- CSpontaneous indicator.
- DNone of the above.
✓
Answer
Correct option: B.
Self indicator.
In redox titrations, the reagent which itself is intense in colour,
e.g. permanganate ion, $[\text{MnO}]_4^-$ acts as self indicator.
e.g. permanganate ion, $[\text{MnO}]_4^-$ acts as self indicator.
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