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  4. The rate of oxidation of oxalic acid by acidified potassium permanganate is shown in the given graph. <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/c-dhmwobdelcum.png /> 5H2C2O4+2KMnO4+3H2SO4 arrow 2MnSO4+K2SO4+10CO2+8H2O The type of catalyst shown by such reaction is

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Q. The rate of oxidation of oxalic acid by acidified potassium permanganate is shown in the given graph.

Question

$5H_{2}C_{2}O_{4}+2KMnO_{4}+3H_{2}SO_{4} \rightarrow 2MnSO_{4}+K_{2}SO_{4}+10CO_{2}+8H_{2}O$

The type of catalyst shown by such reaction is

NTA AbhyasNTA Abhyas 2020Surface Chemistry

Solution:

In these reactions, one of the products formed $\left(\right.MnSO_{4}\left.\right)$ acts as auto catalyst and thus accelerate the rate of reaction.