In which of the following compounds of  VA group other than common oxidation states of the group is observed

A) NH₃  B) N₂H₄ C) P₂H₄ D) NH₂OH E) H₃PO₂ F) N₂O G)NO H) NO₂ I)N₂O₄ J)H₄P₂O₆ K)H₄P₂O₇ L)N₂O₃

Common Oxidation states of 15^th  group elements are -3,+3 and +5

In the given list , except in NH₃(-3), H₄P₂O₇(+5) and N₂O₃(+3)

In all other compounds of 15^th group element shows other than common ox. states