The function of maleic anhydride in the given equilibrium process should be determined. Concept introduction: Diels–Alder reaction: It is a [4 + 2] cycloaddition reaction between conjugated diene and dienophile which forms a substituted cyclohexene. There are no intermediates in the reaction and it is a one step process. Le Chatelier’s principle states that the change in any factor such as temperature, pressure, concentration will cause the equilibrium to shift in such a direction so as to reduce the effect of the change.

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Chapter 8, Problem 107P

Interpretation Introduction

Interpretation: The function of maleic anhydride in the given equilibrium process should be determined.

Concept introduction:

Diels–Alder reaction: It is a [4 + 2] cycloaddition reaction between conjugated diene and dienophile which forms a substituted cyclohexene. There are no intermediates in the reaction and it is a one step process.

Le Chatelier’s principle states that the change in any factor such as temperature, pressure, concentration will cause the equilibrium to shift in such a direction so as to reduce the effect of the change.

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