Chemistry · Photochemistry
The photochemical dimerization of alkene to form a cyclobutane ring is a classic example of which type of cycloaddition?
- 1[πs2 + σs2]
- 2[σs2 + σa2]
- 3[πs2 + πs2]✓
- 4[πs2 + πa2]
Correct answer
[πs2 + πs2]
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