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Last Updated On [03-11-2023]

A dilute ferrous sulphate solution was gradually added to the beaker containing acidified permanganate solution. The light purple colour of the solution fades and finally disappears. Which of the following is the correct explanation for the observation?

(a)

KMnO4 is an oxidizing agent, it oxidizes FeSO4

(b)

FeSO4 acts as an oxidizing agent and oxidizes KMnO4

(c)

The colour disappears due to dilution: no reaction is involved

(d)

KMnO4 is an unstable compound and decomposes in presence of FeSO4 to a colourless compound


Question ID - 154982 :-

A dilute ferrous sulphate solution was gradually added to the beaker containing acidified permanganate solution. The light purple colour of the solution fades and finally disappears. Which of the following is the correct explanation for the observation?

(a)

KMnO4 is an oxidizing agent, it oxidizes FeSO4

(b)

FeSO4 acts as an oxidizing agent and oxidizes KMnO4

(c)

The colour disappears due to dilution: no reaction is involved

(d)

KMnO4 is an unstable compound and decomposes in presence of FeSO4 to a colourless compound

1 Answer
5876 Votes
3537

Answer Key : (b) -

FeSO4 acts as an oxidizing agent and oxidizes KMnO4



Next Question :

In the double displacement reaction between aqueous potassium iodide and aqueous lead nitrate, a yellow precipitate of lead iodide is formed. While performing the activity if lead nitrate is not available, which of the following can be used in place of lead nitrate?

(a)

Lead sulphate

(b)

Lead acetate

(c)

Ammonium nitrate

(d)

Potassium sulphate


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