Phenol X forms a tribromo derivative "X" is **[K CET 2010]**

JEE Main Chemistry question

Phenol forms a tribromo derivative "" is **[K CET 2010]**

(A)Bromine in benzene
(B)Bromine in waterCorrect
(C)Potassium bromide solution
(D)Bromine in carbon tetrachloride at 0°C

Answer: (B)

Solution

Bromine dissolved in water (bromine water) is a polar, ionising medium that strongly activates electrophilic substitution on the highly reactive phenol ring, substituting at both ortho positions

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Question ID VK-148508