Analytical Chemistry Question 258

Question: When $ KMnO_4 $ solution is titrated with a solution containing $ F{e^{2+}} $ ion, the indicator used in this titration is

[CPMT 1989; AIIMS 1996]

Options:

A) Phenolphthalein

B) Methyl orange

C) $ K_3[ Fe{{( CN )}_6} ] $

D) None of these

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Answer:

Correct Answer: D

Solution:

Here $ KMnO_4 $ is used as an indicator as well as a reactant.