Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The colour of 
disappears when oxalic acid is added to its solution in acidic medium. This can be explained as
A
The pH of the solution changes on adding oxalic acid, hence 
is decolourised
is decolourised
B
Oxidizes oxalic acid to 
and itself changes to 
ions which are colourless
C
is oxidized to potassium sulphate which is colourless
D
On exposure to air the acidic solution of 
becomes colourless
becomes colourless
Text Solution
Verified by ExpertsThe correct answer is:
B
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