stion 5 Which statement concerning an enzyme is correct? O A. An enzyme increase

Question

stion 5 Which statement concerning an enzyme is correct? O A. An enzyme increases the rate of a chemical reaction by lowering the activation energy. B. An enzyme increases the size of the equilibrium constant of the reaction it catalyzes ° C. An enzyme decreases the size of the equilibrium constant of the reaction it catalyzes O D. An enzyme shifts the equilibrium so that more product is formed when equilibrium is reached E. An enzyme slows down reactions that occur too rapidly to be effective in the body

Explanation / Answer

A. An enzyme increases the rate of a chemical reaction by lowering the activation energy.

Since, catalyst ( enzyme ) doesnot alter the magnitude of equilibrium constant because it alters both forward and backward reaction rates. But it can hasten the establishment of equilibrium.

So, options B,C,D and E are wrong and statement A is correct.

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