A) \[C{{H}_{3}}N{{H}_{2}}\]
B) \[{{(C{{H}_{3}})}_{3}}N\]
C) \[{{({{C}_{2}}{{H}_{5}})}_{2}}NH\]
D) \[{{C}_{6}}{{H}_{5}}NH{{C}_{6}}{{H}_{5}}\]
Correct Answer: A
Solution :
\[\underset{1{}^\circ \text{amine}}{\mathop{C{{H}_{3}}N{{H}_{2}}}}\,+\underset{\begin{smallmatrix} Hinsbergs \\ reagent \end{smallmatrix}}{\mathop{{{C}_{6}}{{H}_{5}}S{{O}_{2}}Cl}}\,\xrightarrow{{}}\underset{\begin{smallmatrix} N-methyl\,\,benzene \\ sulphonamide \end{smallmatrix}}{\mathop{{{C}_{6}}{{H}_{5}}S{{O}_{2}}NHC{{H}_{3}}}}\,\] \[\xrightarrow[(alkali)]{NaOH}{{C}_{6}}{{H}_{5}}S{{O}_{2}}N(Na)C{{H}_{3}}\]
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