The following reaction takes place

Question:

The following reaction takes place when aluminium powder is heated with Mn02.

$3 \mathrm{MnO}_{2}(s)+4 \mathrm{Al}(s) \longrightarrow 3 \mathrm{Mn}(s)+2 \mathrm{Al}_{2} \mathrm{O}_{3}(s)+$ Heat

(a) Is aluminium getting reduced ?

(b) Is Mn02 getting oxidised ?

Solution:

(a) Aluminium is getting oxidised to Al2O3.

(b) Manganese dioxide is getting reduced to Mn.

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