The Hammond Postulate states that the transition states for exothermic reactions

Question

The Hammond Postulate states that the transition states for exothermic reactions look more like the starting material than product.________ Temperature increases reaction rates but has no influence on equilibrium constants.________ Increasing concentrations of starting materials always increase reaction rates.________ A positive entropy, Delta S degree, leads to an increase in the Free Energy of reaction.________ A fast reaction has a large negative Delta G degree of reaction.________ The larger the energy of activation the larger the rate of the reaction. ________

Explanation / Answer

a. The hammond postulate that the transiiton state for exothermic reaction look more like starting material than the product : True

b. Temperature increases reaction rates but has no influence on equilibrium constants : False

c. Increasing concentrations of starting materials always increase reaction rates : True

d. A positive entropy, dSo, leads to an increase in the free energy of the reaction : False

e. A fast reaction has a large negative dGo of reaction : True

f. The larger the energy of activation the larger the rate of the reaction : False

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