Question

Consider the reaction - 3MnO2 + 4AI ---> 3Mn + 2Al2O3.
a) Classify it in two possible types.
b) Justify your answer in each case.​

Answer 1

Answer:

Displacement reaction or Redox reaction

Explanation:

i) Since Al displaces Mn from MnO2 to form Al2O3 hence it is displacement reaction.

ii) Since Al gets oxidised to Al2O3 and MnO2 gets reduced to Mn it is a redox reaction

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Answer 2

Answer:

a) Redox reaction And Displacement Reaction

b) Redox reaction:

Reduction of MnO2 and Oxidation of aluminium

takes place.

Displacement Reaction:

Manganese is Displaced by Aluminium from its

Oxide.

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