Question:
Number of amine compounds from the following giving solids which are soluble in NaOH upon reaction with Hinsberg's reagent is _____. 
Number of amine compounds from the following giving solids which are soluble in NaOH upon reaction with Hinsberg's reagent is _____.
Updated On: Mar 21, 2025
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Correct Answer: 5
Solution and Explanation
Primary amines react with Hinsberg’s reagent to form sulphonamides, which are soluble in NaOH. Analyzing the given structures:
Primary amine NH$_2$: Soluble.
NH-C($-$CH$_3$): Soluble.
Other primary amine structures: Soluble.
All 5 compounds are primary amines.
Final Answer:
\[5.\]
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