Given the following reaction coordinate diagram for the reaction of A to give G,

Question

Given the following reaction coordinate diagram for the reaction of A to give G, answer the questions with regards to the correct position on the diagram.

1) How may intermediates are there?

2) Which intermediate is the most stable?

3) How many transition states are there?

4) Which transition state is the most stable?

5) Which is more stable, reactants or products?

6) What is the fastest step in the reaction? (answer using the format "lettergoing to letter", for example, A going to B)

7) Which step has the greatest activation energy? (same format as #6)

8) What is the rate-determining step in the conversion of A to G? (same format as #6)

Explanation / Answer

1) Two intermediates

C and E are the intermediates

2) E is the most stable intermediate because E is in lower energy comparing to C

3) Three transition states

B, D and F are the transition states

4) F is the most stable transition states because it is in lowest energy state comparing to other transition states

5) Product is most stable ( lower energy than reactant)

6) E going to F

Energy gap between E and F is lowest

7) C going to D

Energy gab between C and D is highest

8) C going to D is the rate determining step because it is the slow step process

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