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MCQ
What is the Diels-Alder reaction?
Chemistry
A Addition of a diene to an alkene forming a six-membered ring
B Elimination reaction forming a conjugated system
C Nucleophilic substitution on a diene
D Radical polymerization of dienes
Explanation

The Diels-Alder reaction is a [4+2] cycloaddition between a conjugated diene (4 pi electrons) and a dienophile (2 pi electrons), forming a cyclohexene ring.

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