What is the decreasing order of basicity of primary, secondary and tertiary ethylamines and \( \...
What is the decreasing order of basicity of primary, secondary and tertiary ethylamines and \( \mathrm{NH}_{3} \) ?
(a) \( \mathrm{NH}_{3}\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{NH}_{2}\left(\mathrm{C}_{2} \mathrm{H}_{5}\right)_{2} \mathrm{NH}\left(\mathrm{C}_{2} \mathrm{H}_{5}\right)_{3} \mathrm{~N} \)
(b) \( \left(\mathrm{C}_{2} \mathrm{H}_{5}\right)_{3} \mathrm{~N}\left(\mathrm{C}_{2} \mathrm{H}_{5}\right)_{2} \mathrm{NH}\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{NH}_{2}\mathrm{NH}_{3} \)
(c) \( \left(\mathrm{C}_{2} \mathrm{H}_{5}\right)_{2} \mathrm{NH}\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{NH}_{2}\left(\mathrm{C}_{2} \mathrm{H}_{5}\right)_{3} \mathrm{~N}\mathrm{NH}_{3} \)
(d) \( \left(\mathrm{C}_{2} \mathrm{H}_{5}\right)_{2} \mathrm{NH}\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{NH}_{2}\left(\mathrm{C}_{2} \mathrm{H}_{5}\right)_{3} \mathrm{NH}\mathrm{NH}_{3} \)
\( \mathrm{P} \)
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