Question

Arrange the following set of compounds in order of their decreasing relative reactivity with an electrophile, E+

Out of benzene, m–dinitrobenzene and toluene which will undergo nitration most easily and why?

Suggest the name of a Lewis acid other than anhydrous aluminium chloride which can be used during ethylation of benzene.

(i) Give IUPAC names for following compounds: a. HO–CH₂–CH₂–COOH b. CH₃–CHBr–CH₂–CH₃ c. CH₃–CH=CH–COOH (ii) Account for the following: a) Toluene is o,p directing. b. Propene is more stable than ethene.