1. Tardigrade
  2. Question
  3. Chemistry
  4. Which of the following statements are correct? (i) In phenols, the - OH group is attached to s p2 hybridised carbon of an aromatic ring (ii) The carbon-oxygen bond length (136 pm ) in phenol is slightly more than that in methanol (iii) Partial double bond character is due to the conjugation of unshared electron pair of oxygen with the aromatic ring. (iv) Phenol has s p2 hybridised state of carbon to which oxygen is attached.

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Q. Which of the following statements are correct?
(i) In phenols, the $- OH$ group is attached to $s p^{2}$ hybridised carbon of an aromatic ring
(ii) The carbon-oxygen bond length ($136 \,pm )$ in phenol is slightly more than that in methanol
(iii) Partial double bond character is due to the conjugation of unshared electron pair of oxygen with the aromatic ring.
(iv) Phenol has $s p^{2}$ hybridised state of carbon to which oxygen is attached.

Alcohols Phenols and Ethers

Solution:

The $C — O$ bond length ($136 \,pm$) in phenol is slightly less than that in methanol ($142 \,pm$).