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Why is benzene diazonium chloride not stored and is used immediately after its preparation? - Chemistry

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Short Note

Why is benzene diazonium chloride not stored and is used immediately after its preparation?

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Solution

The reaction of aniline with nitrous acid at 273 - 278 K produces benzene diazonium chloride. The reaction of sodium nitrite with hydrochloric acid produces nitrous acid in the reaction mixture. Diazotisation is the process of converting primary aromatic amines into diazonium salts. Because of its instability, the diazonium salt is generally not used immediately after preparation.

The crystalline solid benzene diazonium chloride is colorless.

It is easily soluble in water and stable at room temperature but it reacts with water when warmed.

In the dry state, it decomposes easily.

Concept: Diazonium Salts - Method of Preparation of Diazonium Salts
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APPEARS IN

NCERT Chemistry Exemplar Class 12
Chapter 13 Amines
Short Answer Type | Q 44 | Page 189

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