Question:
Which of the following amine does not react with Hinsberg’s reagent?
Which of the following amine does not react with Hinsberg’s reagent?
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Only primary and secondary amines react with Hinsberg reagent; tertiary do not.
Updated On: Apr 24, 2026
- Methanamine
- N-Methylethanamine
- N,N-Dimethylethanamine
- 1-Propanamine
- 2-Propanamine
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The Correct Option is C
Solution and Explanation
Concept:
Hinsberg reagent distinguishes amines:
• 1° amine $\rightarrow$ reacts
• 2° amine $\rightarrow$ reacts
• 3° amine $\rightarrow$ does not react
Step 1: Identify amine types.
• N,N-Dimethylethanamine $\rightarrow$ tertiary amine
Step 2: Conclusion.
Tertiary amines do not react with Hinsberg reagent.
• 1° amine $\rightarrow$ reacts
• 2° amine $\rightarrow$ reacts
• 3° amine $\rightarrow$ does not react
Step 1: Identify amine types.
• N,N-Dimethylethanamine $\rightarrow$ tertiary amine
Step 2: Conclusion.
Tertiary amines do not react with Hinsberg reagent.
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