The correct name of CH_(3)CH_(2)-underset(O)underset(||)(C)-underset(CN)underset(|)(C)H-CHO is

The correct name of CH_(3)CH_(2)-underset(O)underset(||)(C)-underset(C

1.	The correct name of CH_(3)CH_(2)-underset(O)underset(\|\|)(C)-underset(CN)underset(\|)(C)H-CHO is
Answer» 2-cyano-3-oxopentanal 2-formyl-3-oxopentanenitrile 2-cyano-1,3-pentadiene 1,3-dioxo-2-cyanopentane Solution :`underset("2-Formyl-3-oxopentanenitrile")(overset(5)(C)H_(3)-overset(4)(C)H_(2)-underset(O)underset(\|\|)overset(3)(C)-underset(._(1)CN)underset(\|)overset(2)(C)H-overset(O)overset(\|\|)(C)-H)`