hat
Ranplasman nan yon atòm idwojèn nan avyon bag la avèk pèfòmans elektwon pawap la, tankou nan avyon bag la, ki chita nan orbital la ibrid sp2, epi ki pa patisipe nan yon sextet aromat p-elèktron. Sa a Azòt zanmann pè yon sèl responsab la pou pwopriyete debaz nan piridin,
eng
Replacement of a hydrogen atom in the ring’s plane with the unshared electron pair, like in the ring’s plane, located in the sp2 hybrid orbital, and not involved in an aromatic p-electron sextet. This nitrogen lone pair the one responsible for basic properties of pyridines,