Number of amine compounds from the following giving solids which are soluble in NaOH upon reaction with Hinsberg's reagent is _____. 
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:
\[5.\]
Top Questions on Amines
- An amine 'X' reacts with Hinsberg reagent and the product obtained is soluble in alkali. The amine 'X' is:
- Hoffmann Bromamide degradation reaction is given by:
The descending order of basicity of following amines is :
Choose the correct answer from the options given below :Which of the following amine(s) show(s) positive carbamylamine test?
The correct order of basicity for the following molecules is:
Questions Asked in JEE Main exam
- If the first term of an A.P. is 3 and the sum of its first four terms is equal to one-fifth of the sum of the next four terms, then the sum of the first 20 terms is equal to:
- JEE Main - 2025
- Arithmetic Progression
Let \( S = \left\{ m \in \mathbb{Z} : A^m + A^m = 3I - A^{-6} \right\} \), where
\[ A = \begin{bmatrix} 2 & -1 \\ 1 & 0 \end{bmatrix} \]Then \( n(S) \) is equal to ______.
- JEE Main - 2025
- Matrix Algebra
- Let \( a_1, a_2, a_3, \dots \) be a G.P. of increasing positive terms. If \( a_1 a_5 = 28 \) and \( a_2 + a_4 = 29 \), then the value of \( a_6 \) is equal to:
- JEE Main - 2025
- Sequences and Series
Let \( T_r \) be the \( r^{\text{th}} \) term of an A.P. If for some \( m \), \( T_m = \dfrac{1}{25} \), \( T_{25} = \dfrac{1}{20} \), and \( \displaystyle\sum_{r=1}^{25} T_r = 13 \), then \( 5m \displaystyle\sum_{r=m}^{2m} T_r \) is equal to:
- JEE Main - 2025
- Arithmetic and Geometric Progressions
- In a group of 3 girls and 4 boys, there are two boys \( B_1 \) and \( B_2 \). The number of ways in which these girls and boys can stand in a queue such that all the girls stand together, all the boys stand together, but \( B_1 \) and \( B_2 \) are not adjacent to each other, is:
- JEE Main - 2025
- Permutations