JEE Mains · Chemistry · STD 12 - 9. Amines
The increasing basicity order of the following compounds is \((1)\) \(C{H_3}C{H_2}N{H_2}\) \((2)\) \(\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_2}C{H_3}}\\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,}\\
{\,C{H_3}C{H_2}NH\,\,\,\,\,\,\,}
\end{array}\) \((3)\) \(\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,C{H_3}}\\
{\,|}\\
{{H_3}C - N - C{H_3}}
\end{array}\) \((4)\) \(\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,C{H_3}}\\
{\,|}\\
{Ph - N - H}
\end{array}\)
- A \((4) < (3) < (2) < (1)\)
- B \((4) < (3) < (1) < (2)\)
- C \((1) < (2) < (3) < (4)\)
- D \((1) < (2) < (4) < (3)\)
Answer & Solution
Correct Answer
(B) \((4) < (3) < (1) < (2)\)
Step-by-step Solution
Detailed explanation
Correct order of basic strength is \(NH_2(Et)_2 > EtNH_2 > NMC_3 > Ph -NH -CH_3\)
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