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.