The following reaction takes place when aluminium powder is heated with MnO2 3 MnO2 (s) + 4 Al (s) → 3 Mn (l) + 2 Al2O3 (l) + Heat (a) Is aluminium getting reduced? (b) Is MnO2 getting oxidised?
ScienceClass 10CBSEAnswered 27 Mar 2026
Answer
Soln:
In this reaction aluminium gets oxidized as oxygen gets combined with it. Since oxygen is removed from MnO2 it is getting reduced.