Geo-Scientist Prelims 2026 Chemistry Q114: The major products [X] and [Y] formed in the following reactions are

The major products [X] and [Y] formed in the following reactions are

(mixture of cis- and trans-isomers)

1. (a) [X] = 1-acetyl-1-methylcyclopentane; [Y] = 1-benzoyl-1-phenylcyclopropane
2. (b) [X] = 2,2-dimethylcyclohexanone; [Y] = 1-benzoyl-1-phenylcyclopropane
3. (c) [X] = 2,2-dimethylcyclohexanone; [Y] = 2,2-diphenylcyclobutanone
4. (d) [X] = 1-acetyl-1-methylcyclopentane; [Y] = 2,2-diphenylcyclobutanone