Easy MCQ +4 / -1 PYQ · JEE Mains 2020

Arrange the following compounds in increasing order of C–OH bond length :
methanol, phenol, p-ethoxyphenol

  1. A phenol < methanol < p-ethoxyphenol
  2. B methanol < p-ethoxyphenol < phenol
  3. C methanol < phenol < p-ethoxyphenol
  4. D phenol < p-ethoxyphenol < methanol Correct answer

Solution

C-OH bond length in Among methanol, phenol and p-ethoxyphenol, C-OH bond length is least in phenol due to resonance and maximum in methanol due to lack of resonance whereas it will have some intermediate value in p-ethoxyphenol. <br><br>phenol &lt; p-ethoxyphenol &lt; methanol

About this question

Subject: Chemistry · Chapter: Alcohols, Phenols and Ethers · Topic: Preparation and Properties of Alcohols

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