Which of the following would most likely result in the greatest decrease in the rate of a chemical reaction?

Adding an enzyme inhibitor to a reaction catalyzed by an enzyme

Adding an enzyme to the reaction to decrease the activation energy

Decreasing the pH to create an acidic environment

Increasing the temperature of the reactants

Question

Which of the following would most likely result in the greatest decrease in the rate of a chemical reaction? 

 Adding an enzyme inhibitor to a reaction catalyzed by an enzyme 

 Adding an enzyme to the reaction to decrease the activation energy 

 Decreasing the pH to create an acidic environment 

 Increasing the temperature of the reactants

anonymous · Answer

A,C and D would stop the enzyme from doing its work(speeding up the reaction).

blues · Answer

What an untidy and ambiguous question. Which is not your fault. It depends on how much you increase the temp of the reactants or how much you decrease the pH of the solution. Bronze is correct on that score.