What working solutions (titrants) are used in the method of precipitation titration - Folgard method?

Answer options

1. AgNO3 and NH4SCN
2. H2SO4 and NaOH
3. Na2S2O3 and K(I3)
4. KMnO4 and KBrO3
5. HClO4 and KOH

Correct answer

AgNO3 and NH4SCN

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