Which of the following statements about a catalyst is true A
Which of the following statements about a catalyst is true?
 (A) A catalyst makes an endothermic reaction exothermic.
 (B) A catalyst reduces the amount of product increasing the reaction rate.
 (C) A catalyst increases the energy of the reactants.
 (D) A catalyst lowers the activation energy of a reaction.
 Which of the following statements about a catalyst is true?
 (A) A catalyst makes an endothermic reaction exothermic.
 (B) A catalyst reduces the amount of product increasing the reaction rate.
 (C) A catalyst increases the energy of the reactants.
 (D) A catalyst lowers the activation energy of a reaction.
 Which of the following statements about a catalyst is true?
 (A) A catalyst makes an endothermic reaction exothermic.
 (B) A catalyst reduces the amount of product increasing the reaction rate.
 (C) A catalyst increases the energy of the reactants.
 (D) A catalyst lowers the activation energy of a reaction.
Solution
(A) A catalyst makes an endothermic reaction exothermic. (False)
(B) A catalyst reduces the amount of product increasing the reaction rate. (False)
(C) A catalyst increases the energy of the reactants. (False)
(D) A catalyst lowers the activation energy of a reaction. (True, due to this reaction rate increase)
