Q. How many of the following statement(s) is/are correct?
(A) -phenolsulphonic acid can be converted into -phenolsulphonic acid in the presence of if temperature is increased.
(B) Phenol is more acidic than benzyl alcohol
(C) Phenoxide ion activates the ring less in comparison to phenol
(D) Bromination of phenol in aqueous medium produces -bromophenol and -bromophenol.

 194  146 Alcohols Phenols and Ethers Report Error

Answer: 2

Solution:

(A) Since -phenolsulphonic acid has more thermal stability than -phenolsulphonic acid and hence latter can be converted into former on heating.
(B) Phenol is more acidic than benzyl alcohol because phenoxide ion is more stable than benzyl alkoxide ion.