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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