Which of the following compounds can be uscd ro srandardizc KMnO↓ solurion? (a) FC3 O1 (b) FcCl3

step 1 As we know that as we know that Moher salt decolorizes KMNO4 by reducing MN plus 7 to MN plus 2i

Which of the following compounds can be uscd ro srandardizc...

Which of the following compounds can be uscd ro srandardizc $\mathrm{KMnO}_{\downarrow}$ solurion?
(a) $\mathrm{F}_{\mathrm{C}_{3}} \mathrm{O}_{1}$
(b) $\mathrm{FcCl}_{3}$
(c) $\mathrm{FcSO}_{i} .711 \mathrm{1}_{2} \mathrm{O}$
(d) Mohr's salr

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Key Concepts

Primary Standard

A primary standard is a substance of known purity and stability used to determine the concentration of a solution with high accuracy. In titrimetric analyses, choosing a compound that is stable, non-hygroscopic, and available in pure form ensures that the titration results are reliable and consistent.

Redox Titration

Redox titration involves a chemical reaction where the transfer of electrons takes place between an oxidizing agent and a reducing agent. It is essential to use compounds with well-defined oxidation states and clear stoichiometry, such that the amount of substance reacting can be accurately calculated.

Standardization of KMnO4 Solution

The standardization of a potassium permanganate solution is typically done using a primary standard that acts as a reducing agent. Compounds like Mohr's salt, which provide a stable and precise source of Fe(II), are particularly suited for this purpose because they react quantitatively with KMnO4, allowing for the accurate determination of its concentration.

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