When potassium permanganate is titrated again | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) In the titration of potassium permanganate $(KMnO_4)$ with ferrous ammonium sulphate (Mohr's salt),the reaction occurs in an acidic medium.$KMnO_4

Vedclass · Accepted Answer

Molecular weight / $5$

Vedclass · Answer

(B) In the titration of potassium permanganate $(KMnO_4)$ with ferrous ammonium sulphate (Mohr's salt),the reaction occurs in an acidic medium.$KMnO_4$ acts as an oxidizing agent and $Fe^{2+}$ acts as a reducing agent.The reduction half-reaction for $KMnO_4$ in acidic medium is: $MnO_4^- + 8H^+ + 5e^- ightarrow Mn^{2+} + 4H_2O$.The change in oxidation state of $Mn$ is from $+7$ to $+2$,so the $n$-factor is $5$.The equivalent weight of an oxidizing agent is defined as: $	ext{Equivalent weight} = \frac{	ext{Molecular weight}}{n	ext{-factor}}$.Therefore,the equivalent weight of $KMnO_4$ is $\frac{	ext{Molecular weight}}{5}$.

When potassium permanganate is titrated against ferrous ammonium sulphate,the equivalent weight of potassium permanganate is

Similar Questions

With $63 \ g$ of oxalic acid,how many litres of $\frac{N}{10}$ solution can be prepared?

The disodium salt of ethylene diamine tetraacetic acid can be used to estimate the following ion$(s)$ in an aqueous solution:

Why is it necessary to wash the precipitate before measuring it quantitatively?

Iodine and hypo react to produce

The reagent commonly used to determine the hardness of water titrimetrically is

Vedclass Test Series

Exam Paper Generator

Online Exam Module