Chemistry - Complete d-block Question with Solution | TestHub
ChemistryComplete d-blockd-blockMedium2 minQB
ChemistryMediumsingle choice
When KMnO₄ is added to oxalic acid, decolourisation starts slowly but then speeds up. Why?
Options:
Answer:
D
Solution:
Mn²⁺ formed during oxidation autocatalyses the reaction, so the rate increases after an induction period.
Stream:JEESubject:ChemistryTopic:Complete d-blockSubtopic:d-block
⏱ 2mℹ️ Source: QB
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