1.

Basicity order of following heterocycles are (##FIITJEE_CHE_MB_08_C03_E06_004_Q01.png" width="80%">

Answer»

`1 GT 2 gt 3 gt 4`
`1 gt 4 gt 2 gt 3`
`3 gt 2 gt 1 gt 4`
`4 gt 1 gt 3 gt 2`

ANSWER :B


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