Verified Solution • 2025–26 Session moderate

QJEEM20Ch9e24: JEE Main 2020 Chemistry - Class 12 JEEM20Ch9e24 Solution: Arrange the following compounds in increasing order of C–OH…

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

Multiple Choice Options

  • A phenol < methanol < p-ethoxyphenol
  • B methanol < p-ethoxyphenol < phenol
  • C methanol < phenol < p-ethoxyphenol
  • D phenol < p-ethoxyphenol < methanol

Step-by-Step Verified 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.

phenol < p-ethoxyphenol < methanol

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