A.[Zn(NH3)4]2+ B.[Cu(NH3)4]2+ C.[Ag(NH3)2]+ D.[Fe(CN)6]4-
A.sp3 B.dsp2 C.d2sp3 D.sp3d2
A.NO—OH B.(CH3)2N—NH2 C.CNS- D.H2N—CH2—CH2—CH2—NH2