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Chapter 6: Q21E (page 181)

Draw an energy diagram for a two-step reaction with $K_{eq}$ > 1. Label the overall ${ΔG}^{o}$ , transition states, and intermediate. Is ${ΔG}^{o}$ positive or negative?

Short Answer

Expert verified

${ΔG}^{o} For the reaction is negative$

Step by step solution

01

Energy profile diagram

An energy profile diagram is a plot of energy against the reaction coordinate. This shows when the reaction proceeds how the energy of the reactant and product changes.

02

Step 2: Relation between Keq and exergonic reaction

When $K_{eq}$ greater than 1 then the energy is out in the reaction which means the reaction is exergonic.

When $K_{eq}$ less than 1 is then the energy is in the reaction which means the reaction is endergonic.

If $K_{eq}$ > 1 then ${ΔG}^{o}$ is negative.

03

Energy profile diagram showing Keq> 1

If $K_{eq}$ > 1 then ${ΔG}^{o}$ is negative as shown in the following diagram.

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Most popular questions from this chapter

For each alkene below, use curved arrows to show how it would react with a proton. Draw the carbocation that would form in each case.

a)

b)

c)

Add curved arrows to the following polar reactions to indicate the flow of electrons in each:

(a)

(b)

Which reaction is faster, one with ${ΔG}^{#}$ = +45 or one with ${ΔG}^{#}$ = +70?

Assign Ror Sstereochemistry to the chirality centers in the following Newman projections:

Draw an energy diagram for a one-step reaction with $K_{eq} < 1$ . Label the parts of the diagram corresponding to reactants, products, transition state, ${ΔG}^{o}$ , and ${ΔG}^{#}$ . Is ${ΔG}^{o}$ positive or negative?

See all solutions

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