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Activation Energy -
The minimum kinetic energy that reactants must have in order to form products.
- wherein
Description:
E.g.: In a gas phase reaction numerous collisions take place but only a tiny proportion which has sufficient energy to cross the energy barrier leads to product formation.
EC (activation energy of C) = (20-5)kJ mol- = 15 kJ mol-
ED ( activation energy of D) = (15-5)kJ mol- = 10 kJ mol-
activation energy of C is 5 kJ mol- more than that of D.
Option 1)
Activation enthapy to form C is
less than that to form D.
Option 2)
C is the thermodynamically stable product.
Option 3)
D is kinetically stable product .
Option 4)
Formation of A and B from C has highest enthaply of activation .