Question

Which of the following statements must be true of a catalyst in a reaction mechanism?l. Is consumed in an elementary stepll. Is regenerated in an elementary step after it is consumedlll. Is included in the overall balanced reaction equation a) l only b) ll only c) lll only d) l and ll only e) l, ll, and lll

Answer 1

c) lll only

Step-by-step explanation:

Catalysts are not consumed during a chemical reaction, but they do appear in the overall balanced reaction, usually on the arrow.

So, a catalyst is included in the overall balanced reaction equation