Aryl Halides and Phenols - Result Question 19
22. When phenol is treated with excess of bromine water, it gives
(a) $m$-bromophenol
(b) $o$-and $p$-bromophenol
(c) $2, 4$-dibromophenol
(d) $2, 4, 6$-tribromophenol
$(1984,1 M)$
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Answer:
Correct Answer: 22. (d)
Solution:
$ Br _2+H _2 O \longrightarrow HBrO+HBr $
It is a reversible reaction, but equilibrium is significantly shifted to left, also indicated as $Br _2(a q)$.
BETA
