A reaction involving two different reactants can never be
unimolecular reaction
first order reaction
second order reaction
bimolecular reaction
As we learnt in
Molecularity -
The number of reacting species (atoms, ions or molecules) taking part in an elementary reaction which must collide simultaneously in order to bring about a chemical reaction is Molecularity.
- wherein
Description:
(unimolecular)
(bimolecular)
(trimolecular)
Molecularity is the theoretical concept. It cannot be zero/non-integer
A reaction involving two different reactants can never be unimolecular reaction.
Option 1)
unimolecular reaction
This option is correct
Option 2)
first order reaction
This option is incorrect
Option 3)
second order reaction
This option is incorrect
Option 4)
bimolecular reaction
This option is incorrect
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