When a Catalyst Is Added to a Reaction Mixture, It

question 18

Multiple Choice

When a catalyst is added to a reaction mixture, it

• A)increases the rate of collisions between reactant molecules.
• B)provides reactant molecules with more energy.
• C)slows down the rate of the back reaction.
• D)provides a new pathway (mechanism)for the reaction.
• E)None of these choices are correct.

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