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Redox Reaction

b The followi...

Question

Question 44(b)
The following reaction takes place when aluminium powder is heated with ${MnO}_{2}$ :

$3 {MnO}_{2} (s) + 4 Al (s) \to 3 Mn (l) + 2 {Al}_{2} O_{3} (l) + Heat$

Is ${MnO}_{2}$ getting oxidised?

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Solution

A substance is said to be oxidised if it gains oxygen. Since manganese has lost oxygen, it is reduced.

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Similar questions

Q. Question 44(a)
The following reaction takes place when aluminium powder is heated with

{MnO}_{2}

3 {MnO}_{2} (s) + 4 Al (s) \to 3 Mn (l) + 2 {Al}_{2} O_{3} (l) + Heat

Is aluminium getting reduced?

Q. Question 44(a)
The following reaction takes place when aluminium powder is heated with

{MnO}_{2}

3 {MnO}_{2} (s) + 4 Al (s) \to 3 Mn (l) + 2 {Al}_{2} O_{3} (l) + Heat

Is aluminium getting reduced?

3 {MnO}_{2} (s) + 4 Al (s) \to 3 Mn (s) + 2 {Al}_{2} O_{3} (s)

In the above reaction, the oxidising agent is:

3 {MnO}_{2} (s) + 4 Al (s) \to 3 Mn (s) + 2 {Al}_{2} O_{3} (s)

In the above reaction, the oxidising agent is:

In the reaction $3 M n O_{2} (s) + 4 A l (s) \to 3 M n (s) + 2 A l_{2} O_{3} (s)$ the oxidising agent is

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