When `KMnO_(4)` solution is added to hot oxalic acid solution, the decolourisation is slow in the beginning but becomes instantaneous after some time. This is because.
A
`Mn^(2+)` acts as auto catalyst
B
`CO_(2)` is formed
C
Reaction is exothermic
D
`MnO_(4)^(-)` catalyses the reaction
Text Solution
Verified by Experts
The correct Answer is:
A
due to Autocatalyser of `Mn^(+2)`
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