An aromatic compound such as phenol or aniline. This process is known as azo coupling.

Here are the steps:

1. Diazotization: The first step is the conversion of an aromatic amine (like aniline) to a diazonium salt. This is done by treating the amine with nitrous acid (generated in situ by reacting sodium nitrite with a strong acid like hydrochloric acid) at low temperatures.

2. Coupling: The diazonium salt is then reacted with a phenol or aniline in alkaline conditions. This results in the formation of the azo dye.

3. Isolation: The dye is then isolated by filtration and can be

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An aromatic compound such as phenol or aniline. This process is known as azo coupling.

Here are the steps:

1. Diazotization: The first step is the conversion of an aromatic amine (like aniline) to a diazonium salt. This is done by treating the amine with nitrous acid (generated in situ by reacting sodium nitrite with a strong acid like hydrochloric acid) at low temperatures.

2. Coupling: The diazonium salt is then reacted with a phenol or aniline in alkaline conditions. This results in the formation of the azo dye.

3. Isolation: The dye is then isolated by filtration and can be

Knowee AI · Accepted Answer

An aromatic compound such as phenol or aniline. This process is known as azo coupling.

Here are the steps:

1. Diazotization: The first step is the conversion of an aromatic amine (like aniline) to a diazonium salt. This is done by treating the amine with nitrous acid (generated in situ by reacting sodium nitrite with a strong acid like hydrochloric acid) at low temperatures.

2. Coupling: The diazonium salt is then reacted with a phenol or aniline in alkaline conditions. This results in the formation of the azo dye.

3. Isolation: The dye is then isolated by filtration and can be

An azo dye is formed by the interaction of an aromatic diazonium chloride with

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