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Solution - How is Carbolic Acid Prepared from the Given Compounds : Aniline - Phenols - Methods of Preparation

Question

How is carbolic acid prepared from the given compounds :

Aniline

Solution

Aniline:-
When aniline (a primary aromatic amine) is treated with nitrous acid (NaNO2 and HCl) under ice-cold conditions, it gives benzene diazonium salt. This process is called diazotization. The aqueous solution of the diazonium salt is hydrolyzed with dilute sulphuric acid to give phenol. The reaction can be shown as follows:

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APPEARS IN

2014-2015 (March)
Question 8.2 | 7 marks (combined)
Solution for question: How is Carbolic Acid Prepared from the Given Compounds : Aniline concept: Phenols - Methods of Preparation. For the courses HSC Science (Computer Science), HSC Science (Electronics), HSC Science (General)
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