A carbocation is an intermediate formed in certain organic reactions. Chemically, what can happen to a carbocation? A carbocation can Select one: O A....bond to a nucleophile. B. ...lose a beta hydrogen ion to form a pi bond. O C. ...rearrange to a more stable carbocation. O D. All of the above

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Use the energy diagram to answer the questions below.

Which of the following statements is the best explanation of how activation energy affects the rate of a chemical reaction?   A. A high activation energy means molecules have less kinetic energy and hence rate of reaction will be slower.   B. A high activation energy means molecules must have more kinetic energy to overcome it, and hence rate of reaction will be faster.   C. A high activation energy means molecules have a lot of kinetic energy and hence rate of reaction will be faster.     D. A high activation energy means molecules must have less kinetic energy to overcome it, and hence rate of reaction will be slower.   E. A high activation energy means molecules must have more kinetic energy to overcome it, and hence rate of reaction will be slower.