Define
coordination number. Draw optical isomers `[Co(en)_(3)]^(2+)`

Define Anionic sphere complex Draw optical isomers of [Co(en)_(3)]^(2+)

Number of optical isomers of [Cr(C_2O_4)_3]^(3-)

Number of optical isomers possible for

Find the number of geometrical isomers in [Co(en)(Pn)(NO_(2))_(2)] .

Total number of isomers of [Co(en)_(2)CI_(2)]^(+) is

The charge number , oxidation number and coordination number of the complex [Co(en)_3]Cl_3 are _____________ respectively.