1.

The reaction Cr2O3+2Al=Al2O3+2Cr is a :(a) Combination reaction (c) Decomposition reactionAl2O3 + 2Cr is a :(6) Double displacement reaction(d) Displacement reaction.​

Answer» ONG>Answer:

Certain AMOUNT of activation ENERGY is essential for thermodynamically feasible reactions also.

In thermite process,

Cr2O3+2Al⟶Al 2O3+2Cr+Q

It is an exothermic and SPONTANEOUS process. It requires more activation energy. At room temperature it does not takes place as activation energy is less.



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