1. Small size
2. Large nuclear charge
3. At least one lone pair of electrons
4. Empty orbitals
At least one lone pair of electrons
1. [PtCl4]2-
2. [NiCl4]2-
3. [ZnCl4]2-
4. [CoCl4]2-
[PtCl4]2-
1. C2H5MgCl
2.
3.
4. Pb (C2H5)4
1. Co(NH3)4Cl3
2. Co(NH3)3Cl3
3. Co(NH3)3Cl3
4. Co(NH3)6Cl3
Co(NH3)3Cl3
1. Cr(CO)6
2. [Fe(CN)6]4-
3. [Cr(NH3)6]3+
4. [Ni(CO)4]
Cr(CO)6
1. [Cr(CN)6]3-
2. [Mn(CN)6]3-
3. [Fe(CN)6]3-
4. [Co (CN)6]3-
[Co (CN)6]3-
1. [FeCl4]2-
2. [NiCl4]2-
3. [PtCl4] 2-
4. [CoCl4]2-
[PtCl4] 2-
1. [Co (NH3)6]3+
2. [Ni (CN)4]2-
3. [NiCl4]2-
4. Fe(CO)5v
[NiCl4]2-
1. K4[Ni (CN)4]
2. K2NiF6
3. [Ni(CO)4]
4. [Ni(CN)4]2-
K2NiF6
1. Potassium tetracyanonickelate (II) and potassium tetrachloronickelate (II)
2. Potassium tetracyanonickel (II) and potassium tetrachloronickel (II)
3. Potassium tetracyno nickel and potassium chloro nickel
4. Potassium tetracyno nickelate (II) and potassium tetrachloronickel
Potassium tetracyanonickelate (II) and potassium tetrachloronickelate (II)