Question:
Compound P is neutral. Q gives effervescence with NaHCO3 while R reacts with Hinsbergs reagent to give solid soluble in NaOH. Compound P is
Compound P is neutral. Q gives effervescence with NaHCO3 while R reacts with Hinsbergs reagent to give solid soluble in NaOH. Compound P is
Updated On: Mar 19, 2026
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The Correct Option is D
Solution and Explanation
Given Data:
- Compound P is neutral.
- Residue Q gives effervescence with NaHCO3, suggesting the presence of a carboxylic acid group (-COOH).
- Filtrate gives oily liquid R, which reacts with Hinsberg’s reagent to give a solid soluble in NaOH, indicating the presence of a primary amine (-NH2).
- Molecular formula of P: C14H13ON.
Analysis:
- Compound P must be a neutral amide because it is neutral and contains both oxygen and nitrogen in its molecular formula.
- Upon hydrolysis with HCl, the amide breaks down to give:
- Residue Q: A carboxylic acid (gives effervescence with NaHCO3).
- Filtrate R: A primary amine (reacts with Hinsberg’s reagent to form a solid soluble in NaOH).
Correct Option:
The correct compound P is Option (4):
- Structure of Option (2) corresponds to the amide with a molecular formula of C14H13ON.
- Upon hydrolysis, it produces a carboxylic acid (Q) and a primary amine (R), satisfying all the given conditions.
Conclusion: The correct answer is Option 2.
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