Q9Multiple choice
When KMnO4 solution is added to oxalic acid solution, the decolourisation is slow in the beginning but becomes instantaneous after some time because
- (i)CO2 is formed as the product.
- (ii)Reaction is exothermic. –
- (iii)MnO4 catalyses the reaction.
- (iv)Mn2+ acts as autocatalyst.
Show answer
(iv) Mn2+ acts as autocatalyst.