Alcohols Phenols And Ethers Question 264
Question: When phenol is allowed to react with $ Br_2 $ in (i) $ CS_2 $ solution and (ii) in aqueous solution, the resulting compounds are
Options:
A) (i) 2, 4, 6-tribromophenol and (ii) o-and p-bromophenol
B) (i) m-bromophenol and (ii) 2, 3, 4-tribromophenol
C) s (i) o-and p-bromophenol and (ii) 2, 4, 6-tribromophenol
D) (i) o- and m-bromophenol and (ii) 2, 3, 4-tribromophenol
Show Answer
Answer:
Correct Answer: C
Solution:
(i) (ii) In aq. solution phenol ionize to give phenoxide in which highly activates benzene ring and give trisubstituted product while in presence of $ CS_2 $ an inert solvent phenol is unable to ionize due to which benzene ring is slightly activated. Hence, monosubstituted product is obtained.
BETA
