Question:
Identify product A in following reaction.
\[ \mathrm{C}_6 \mathrm{H}_5 \stackrel{+}{\mathrm{N}}_2 \mathrm{Cl}^{-} \xrightarrow{\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}} \mathrm{~A}+\mathrm{N}_2+\mathrm{CH}_3 \mathrm{CHO}+\mathrm{HCl} \]
Identify product A in following reaction.
\[ \mathrm{C}_6 \mathrm{H}_5 \stackrel{+}{\mathrm{N}}_2 \mathrm{Cl}^{-} \xrightarrow{\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}} \mathrm{~A}+\mathrm{N}_2+\mathrm{CH}_3 \mathrm{CHO}+\mathrm{HCl} \]
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Ethanol acts as a reducing agent and replaces the diazonium group by hydrogen.
Updated On: Nov 13, 2026
- \(\mathrm{C}_{6}\mathrm{H}_{6}\)
- \(\mathrm{C}_{6}\mathrm{H}_{5}\mathrm{NH}_{2}\)
- \(\mathrm{C}_{6}\mathrm{H}_{5}\mathrm{COOH}\)
- \(\mathrm{C}_{6}\mathrm{H}_{5}\mathrm{Cl}\)
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept
Benzenediazonium chloride reacts with mild reducing agents like ethanol or hypophosphorous acid to replace the diazonium group by hydrogen.
Step 2: Reaction
\(\text{C}_6\text{H}_5\text{N}_2^{+}\text{Cl}^{-}+\text{C}_2\text{H}_5\text{OH}\rightarrow\text{C}_6\text{H}_6+\text{N}_2+\text{CH}_3\text{CHO}+\text{HCl}\).
Step 3: Identify A
Ethanol is oxidised to acetaldehyde, and the product A is benzene, \(\text{C}_6\text{H}_6\).
Final Answer:
Product A is benzene. \[ \boxed{\text{(A) }\text{C}_{6}\text{H}_{6}} \]
Benzenediazonium chloride reacts with mild reducing agents like ethanol or hypophosphorous acid to replace the diazonium group by hydrogen.
Step 2: Reaction
\(\text{C}_6\text{H}_5\text{N}_2^{+}\text{Cl}^{-}+\text{C}_2\text{H}_5\text{OH}\rightarrow\text{C}_6\text{H}_6+\text{N}_2+\text{CH}_3\text{CHO}+\text{HCl}\).
Step 3: Identify A
Ethanol is oxidised to acetaldehyde, and the product A is benzene, \(\text{C}_6\text{H}_6\).
Final Answer:
Product A is benzene. \[ \boxed{\text{(A) }\text{C}_{6}\text{H}_{6}} \]
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