(A) α-fission
(B) β-fission
(C) Retro Diels-alder reaction
(D) Rearrangement
(A) Rearrangement
(B) Tropylium ion
(C) Benzene ion
(D) α- fission
(A) Elimination of alkene from tropylium ion
(B) Elimination of water from tropylium ion
(C) Elimination of methylene from tropylium ion
(D) Elimination of acetylene from tropylium ion
Hydrogen migration and loss of alkene
(B) Mc Lafferty
(C) Both
(D) Tropylium ion
29
(B) 31
(C) 58
(D) 60