JEE · NEET Previous Year Question

The order of decreasing reactivity towards an electrophilic reagent, for the
following would be (i) benzene (ii) toluene (iii) chlorobenzene (iv) phenol

Topic: NEET PYQ

Answer: C. Full step-by-step solution below.

  1. A(ii)
  2. B(iv)
  3. C(iv)
  4. D

Correct answer: C

Solution

(c) Electrophiles are electron loving chemical species. They attack at the highest
electron density site of the substrate. Electron donating substances ( effect) increases the electron density of the molecule. effect decreases in the order:

Hence order of decreasing reactivity towards electrophile is

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