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Grade: 12th pass

                        

Is phenyl benzoate more reactive towards electrophilic substitution than benzene? pls state the reason to.

6 months ago

Answers : (3)

Arun
24734 Points
							
Phenyl group is known to exert negative inductive effect, but each phenyl ring in biphenyl (C6H5–C6H5) is more reactive than benzene towards electrophilic substitution.
6 months ago
Vikas TU
12280 Points
							
Dear student 
In organic  chemistry point of view : stability is affected by inductive and resonance factors. The resonance factor is the electron - delocalization (in aromatic compound), the inductive factor is electron donating/attracting groups (substituents).  Substituent could be electrophilic or nucleophilic agent. Since aromatic compound has phi electron (conjugated form) so that its electron is delocalized due to obtain its stability (or lower the energy). For instance: Delocalized electron lone-pairs on the substituent can donate electron density to the benzene ring, and at the same time, the substituent is more electronegative than hydrogen and may inductively withdraw electrons (but has a lesser effect). In general, concerning substituents, we have to know its characteristic. The characteristics of electron-donating Substituents are lone pairs (except alkyl, aryl, and CH=CHR groups) and delocalizing positive charge of a carbocation, which increases carbocation stability (resonance). The characteristics of electron-withdrawing Substituents are positive charge or partial positive charge
and  high electronegativity. So we  know  the substituent on the benzene will influence where the electrophile attached. I hope these information will be useful.
5 months ago
Yashraj
276 Points
							
phenyl benzoate more reactive towards electrophilic substitution than benzene
because the substituent give electron to ring which make it as center to attack
5 months ago
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