MCQ
The compound that is most difficult to protonate is
  • A
    $H-O-H$
  • B
    $H_3C-O-H$
  • C
    $H_3C-O-CH_3$
  • $Ph-O-H$

Answer

Correct option: D.
$Ph-O-H$
d
In case of phenol lone pair of oxygen is delocalized in ring.

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