Which of the following species is expected have maximum ethalpy in an electrophilic aromatic substitution reaction.

Which of the following species is expected have maximum ethalpy in an

1.	Which of the following species is expected have maximum ethalpy in an electrophilic aromatic substitution reaction.
Answer» SPECIES (II) Species (III) Species (IV) Species (V) Solution :In nitration, RATE does not DEPEND on removal of proton as it is the fast STEP.