MCQ
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
    $(4) < (3) < (2) < (1)$
  • $(4) < (3) < (1) < (2)$
  • C
    $(1) < (2) < (3) < (4)$
  • D
    $(1) < (2) < (4) < (3)$

Answer

Correct option: B.
$(4) < (3) < (1) < (2)$
b
Correct order of basic strength is

$NH_2(Et)_2 > EtNH_2 > NMC_3 > Ph -NH -CH_3$

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