Onium Compounds - Double-onium Dications

Double-onium Dications

• hydrazinium dication, +H₃NNH₃+ (doubly protonated hydrazine)
• diazenium dication, +H₂N=NH₂+ (doubly protonated diazene)
• diazonium dication, +HN≡NH+ (doubly protonated nitrogen)