Q1. CH3CH2OH --(alkaline KMnO4 + heat)→ CH3COOH. In the above reaction, alkaline KMnO4 acts as a __________.
A reducing agent
B oxidising agent Correct
C catalyst
D dehydrating agent
Explanation
In this reaction, ethanol is converted into ethanoic acid. That conversion involves oxidation, because the carbon compound gains oxygen and moves to a higher oxidation level. Alkaline KMnO4 supplies the oxidising action, so it acts as an oxidising agent. A reducing agent would reduce another substance, which is not happening here. A catalyst would speed up the reaction without being consumed in the redox change. A dehydrating agent removes water, whereas this reaction changes an alcohol into a carboxylic acid through oxidation.