Aryl Halides and Phenols - Result Question 3
####4. The organic compound that gives following qualitative analysis is
(2019 Main, 9 April I)
Test
Inference
(i) Dil. $HCl$ Insoluble
(ii) $NaOH$ solution
Soluble
(iii) $Br _2$ /water
Decolourisation
(a)
(c)
(b)
(d)
Show Answer
Answer:
Correct Answer: 4. (b)
Solution:
- Phenol $(ArOH)$ is insoluble in dil. $HCl$ and readily soluble in $NaOH$ solution. It reacts with $Br _2$ /water to give 2,4 , 6 -tribromophenol. It readily decolourises the yellow colour of $Br _2$ water. Reactions involved are as follows :
(Acidic in nature)
