Published by:
CGP EDU Academic Team
Published on: August 14, 2026
What happens when Mn(II) ions free from chloride ions react with acidified solution of (NH 4 ) 2 S 2 O 8 or K 2 S 2 O 8 in presence of a few drops of AgNO 3 solution ?
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
Reddish–violet colouration is obtained owing to the formation of MnO 4 – .
2 Mn 2+ + 5 S 2 O 8 2– + 8 H 2 O 
MnO 4 – + 10 SO 4 2– + 16 H +
AgNO 3 acts as catalyst.
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
How many of the following will volatilize on heating leaving no solid residue ?
(i) NaNO 3 (ii) NH …
Na 2 S + Na 2 [Fe(CN) 5 NO] → ''A'' (Violet Color)
In Complex ''A'', number of type of ambidentate …
Heating which of the following salts in a dry test tube may cause a change in their colour ?
Which of the following combinations will give yellowish precipitate in an aqueous medium?
Which of the following produce red coloured flame during flame test ?
When Borax is heated it forms a colourless glassy bead because of formation of :