The following reaction takes place when the aluminium powder is heated with MnO₂3 MnO₂ (s) + 4 Al (s) → 3 Mn (l) + 2 Al₂O₃ (l) + Heat
(a) Is aluminium getting reduced?
(b) Is MnO₂ getting oxidised?

Academic Chemistry NCERT Class 10

In the reaction,

3 MnO2 (s) + 4 Al (s) → 3 Mn (l) + 2 Al2O3 (l) + Heat

(a) Aluminium gets oxidized as oxygen gets combined with it to form Al2O3.

(b) MnO₂ is reduced as oxygen is removed to produce Mn.

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Updated on: 10-Oct-2022

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