[Fe(CO)5] on reaction with C3H5l gives Y with the elimination of two molecules of CO. Consider the following statements
A. Y obeys the 18-electron rule
B. The reaction is an example of oxidative addition
C. Allyl molety shows η1 coordination in Y
D. Y adopts pentagonal bipyramidal geometry
The correct option is
1
A, B and C only
2
A and B only
3
A, B and D only
4
B and D only