Question:
The major product obtained when benzene diazonium chloride is heated with water is:
The major product obtained when benzene diazonium chloride is heated with water is:
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Important conversions:
\[
Diazonium\ Salt
\rightarrow
Phenol
\]
upon heating with water.
Always remember that nitrogen gas is liberated during the reaction.
Updated On: Jun 8, 2026
- Chlorobenzene
- Phenol
- Benzaldehyde
- Benzoic acid
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The Correct Option is B
Solution and Explanation
Concept:
Diazonium salts undergo hydrolysis on heating with water.
The diazonium group is replaced by hydroxyl group.
This is a very important NCERT reaction.
Step 1: Write the reaction.
\[ C_6H_5N_2^+Cl^- + H_2O \] \[ \xrightarrow{\Delta} C_6H_5OH + N_2 + HCl \]
Step 2: Identify product.
The hydroxyl group replaces the diazonium group. Thus: \[ C_6H_5OH \] is produced.
Step 3: Conclusion.
The final product is: \[ \boxed{\text{Phenol}} \]
Step 1: Write the reaction.
\[ C_6H_5N_2^+Cl^- + H_2O \] \[ \xrightarrow{\Delta} C_6H_5OH + N_2 + HCl \]
Step 2: Identify product.
The hydroxyl group replaces the diazonium group. Thus: \[ C_6H_5OH \] is produced.
Step 3: Conclusion.
The final product is: \[ \boxed{\text{Phenol}} \]
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