Electrophiles have high affinity for electrons. They attack at the site where electron-density is highest. Electron withdrawing substances increases the electron density. The electron withdrawing tendency decreases in the order : −OH>−CH3>−H>−Cl Therefore, the correct order of reactivity towards electrophile is C6H5OH>C6H5CH3>C6H6>C6H5Cl Related Theory Electrophilic substitution reaction in haloarenes occur slowly because halogen has a negative inductive effect, it decreases the electron density on the benzene ring due to resonance.
The order of decreasing reactivity towards an electrophilic reagent, for the following would be: (i) benzene (ii) toluene (iii) chlorobenzene (iv)…
NEET UG 2007 — Chemistry Organic Chemistry
2007mcqmedium
The order of decreasing reactivity towards an electrophilic reagent, for the following would be: (i) benzene (ii) toluene (iii) chlorobenzene (iv) phenol
Official previous-year question
Held on 30 Apr 2007 · Verified 9 Jul 2026.
Options
- A
(ii) > (iv) > (i) > (iii)
- B
(iv) > (iii) > (ii) > (i)
- C
(iv) > (ii) > (i) > (iii)
- D
(i) > (ii) > (iii) > (iv)
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