The energy required to bring the substrates of a reaction together in the correct way to reach the transition state is called

The energy required to bring the substrates of a reaction together in the correct way to reach the transition state is called

The energy required to bring the substrates of a reaction together in the correct way to reach the transition state is called 









A. free energy.
B. activation energy.
C. enthalpy.
D. entropy.










Answer: B