Question

which one of the following exhibits +R effect A] -CHO B]-CN C]-COOH D]-OCOR E]-NO2

Answer 1

Answer:

1963), Rohfling et al (1984) reported that much larger carbon dusters i.e. even numbered C~ with n = 30-190 ... types of C-C bonds i.e. at the 1- 6, 6]- and 1-5, 6J-ring fusion sites. But C7o has Dsh symmetry and it ...

this is