When a Catalyst Is Added to a Reaction Mixture, It

question 20

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 is correct.

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