Which of the Following Statements About [2+2] Cycloaddition Reactions Between

question 47

Multiple Choice

Which of the following statements about [2+2] cycloaddition reactions between two alkenes is true?

• A) The reaction is initiated by heat.
• B) The reaction is initiated by light.
• C) The product is a cyclopentane derivative.
• D) Each reactant contains two  electrons that participate in the formation of new bonds.

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