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General Organic Chemistry III: Reaction Intermediates
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Reaction energy profiles, kinetic vs thermodynamic control
NEET level
Single correct option
Difficulty 1 of 3
g3175
A catalyst increases the rate of a reaction by
A
providing a path of lower activation energy without changing
Δ
H
of the reaction
B
raising the energy of the reactants
C
making
Δ
H
of the reaction more negative
D
raising the energy of the products
Answer: A
A catalyst lowers the transition-state energy of the rate-determining step. The energies of reactants and products, and so
Δ
H
, remain unchanged.
Practice General Organic Chemistry III: Reaction Intermediates
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