Published by:
CGP EDU Academic Team
Published on: August 13, 2026
When 
solution is added to oxalic acid solution, the decolourisation is slow in the
beginning but becomes instantaneous after some time because:
A
is formed as the product
B
Reaction is exothermic
C
catalyses the reaction
D
acts as autocatalyst
Text Solution
Verified by ExpertsThe correct answer is:
D
When 
solution is added to oxalic acid solution, the decolourisation is slow in the
beginning but becomes instantaneous after some time because 
acts as autocatalyst.
Reduction half:
Oxidation half:
Overall equation is:
End point of this reaction 
Colourless to light pink
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