The following reaction takes place when aluminium powder is heated with MnO2.
The following reaction takes place when aluminium powder is heated with MnO2.
3MnO2(s) + 4Al(s) ------> 3Mn(/) + 2Al2O3(t) + Heat
(a) Is aluminium getting reduced?
(b) Is MnO2 getting oxidised?
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(a) No, because oxygen is added to aluminium, therefore, it is getting oxidised.
(b) No, since manganese has lost oxygen, therefore, it is getting reduced.
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