Which of the Following Statements About Electrocyclic Ring Closure Is

question 21

Multiple Choice

Which of the following statements about electrocyclic ring closure is not true?

• A)It is an intramolecular reaction.
• B)It requires heat or light.
• C)The cyclic product contains one more s bond and one fewer p bond than the reactants.
• D)The cyclic product contains one more p bond and one fewer s bond than the reactants.

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Definitions:

Extant Turtles

Refers to turtle species that are currently existing or living, as opposed to those that have become extinct.

Metabolic Mechanisms

The biochemical processes that occur within a living organism to maintain life.

Saclike Lungs

Lungs that consist of air sacs, facilitating gas exchange in various organisms, particularly birds, allowing for efficient respiration.

Regulating Body Temperature

The process by which living organisms maintain their internal temperature within a tolerable range, despite external changes.