JEE Main Chemistry question

Among piperidine (I), pyridine (II), morpholine (III) and N-methylpyrrolidine (IV), the order of basicity is

(A)IV > I > III > IICorrect
(B)III > I > IV > II
(C)II > I > III > IV
(D)I > III > II > IV

Answer: (A)

Solution

Saturated (sp³ N) amines like piperidine and N-methylpyrrolidine are most basic (lone pair fully available). Morpholine's ring oxygen inductively withdraws

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Question ID VK-139802