Which of the Following Statements About an Electrocyclic Ring-Opening Reaction

question 51

Multiple Choice

Which of the following statements about an electrocyclic ring-opening reaction is not true?

• A) An electrocyclic ring-opening reaction is an intramolecular reaction.
• B) An electrocyclic ring-opening reaction requires a source of energy (heat or light).
• C) The product of an electrocyclic ring-opening reaction contains one fewer  bond than the reactant.
• D) The product of an electrocyclic ring-opening reaction contains one more  bond than the reactant.

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Definitions:

Limbic System

A group of several brain structures located primarily under the cortex and involved in learning, emotion, memory, and motivation.

Cerebral Cortex

The outer layer of the brain, involved in complex functions such as thought, perception, language, and consciousness.

Cerebellum

A part of the brain located at the back of the skull, crucial for coordination, precision, and timing of movements.

Cerebrum

The largest part of the brain, responsible for voluntary activities, speech, sensation, vision, hearing, thought, and memory.