JEE · NEET Previous Year Question

Increasing order of acid strength among ‐methoxyphenol,
‐methylphenol and ‐nitrophenol is

Topic: NEET PYQ

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

  1. A‐nitrophenol, ‐methoxyphenol,‐methylphenol
  2. B‐methylphenol, ‐methoxyphenol, ‐nitrophenol
  3. C‐nitrophenol, ‐methylphenol,‐methoxyphenol
  4. D‐methoxyphenol, ‐methylphenol, ‐nitrophenol.

Correct answer: D

Solution

(d) are electron donating groups and decrease the acidic character of phenols. , −CN are electron withdrawing groups and tend to increase the acidic character. Thus, the order isp‐methoxyphenol ‐methylphenol‐nitrophenol.

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