Which of the following is not correct about a catalyst? It

Assessment: WAEC SSCE - Chemistry - 1996 (Objective) Subject: Chemistry

Question 1 Report

Which of the following is not correct about a catalyst? It
Answer Details
The statement that is not correct about a catalyst is: "can start a chemical reaction which will normally not take place." A catalyst cannot start a chemical reaction that will normally not take place because a catalyst only speeds up the rate of an existing reaction. It works by lowering the activation energy required for a reaction to occur, thus making it easier for the reaction to take place. Once the reaction is completed, the catalyst remains unchanged and can be used again. Therefore, options a, b, d, and e are all correct statements about a catalyst, while the statement in option c is not correct.
Read lesson note on Chemical Kinetics And Equilibrium System (Nigeria Only) (WAEC)
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