Geo-Scientist Prelims 2021 Chemistry Q113: The intermediate [X] and the major product [Y] formed in the…

The intermediate [X] and the major product [Y] formed in the following reaction are:

1. (a) [X] is carbocation and [Y] is 2-(3-methylpent-1-en-3-yl)benzoic acid
2. (b) [X] is carbanion and [Y] is 2-(3-methylpent-1-en-3-yl)aniline
3. (c) [X] is free radical and [Y] is (3-methylpent-1-en-3-yl)benzene
4. (d) [X] is benzyne and [Y] is 2-ethyl-1,4-dihydronaphthalene