What is the role of metal or reagents written on arrows in the given chemical reactions?
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AcademicChemistryNCERTClass 10

(a) Ni acts as a catalyst

(b) Concentrated Sulphuric acid (Conc. H2SO4) acts as a catalyst.

(c) Alkaline Potassium permanganate (Alkaline KMNO4) acts as an oxidising agent in the above reaction.

(Note: Catalysts are defined as substances that alter the rate of reaction by changing the path of reaction.

An oxidizing agent is a chemical species that tend to oxidize other substances, i.e. cause an increase in the oxidation state of the substance by making it lose electrons.) 
raja
Updated on 10-Oct-2022 13:27:40

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