Name the following coordinates entities and draw the structures of their stereoisomers :
(i) `[Co(en)_(2)Cl_(2)]^(+)` (en = ethan-1,2-diamine
(ii) `[Cr(C_(2)O_(4))_(3)]^(3-)`
(iii) `[ Co(NH_(3))_(3)Cl_(3)]`
(Atomic number Cr = 24 , Co = 27)

Name the following coordination entities and draw the structures of their stereoisomers : (i) [Co(en)_(2)Cl_(2)]^(+) (en = ethane-1,2-diamine (ii) [Cr(C_(2)O_(4))_(3)]^(3-) (iii) [ Co(NH_(3))_(3)Cl_(3)] (Atomic number Cr = 24 , Co = 27)

Write the stucture and names of all steresiomers fo the following compounds: (i) [Co (en_(3))]Cl_(3) (ii) [Pt(NH_(3))_(2)Cl_(2)] (iii) [Fe (NH_(3))_(4) Cl_(2)] Cl

Draw the structures of optical isomers of: (i). [Cr(C_2O_4)_3]^(3-) (ii). [PtCl_2(en)_2]^(2+) (iii). [Cr(NH_3)_2Cl_2(en)]^(o+)

Indicate the type of isomerism exhibited by the following complexes and draw the structures for these isomers: (i) K[Cr(H_(2)O)_(2)(C_(2)O_(4))_(2) (ii) [Co(en)_(3)]Cl_(3) (iii) [Co(NH_(3))_(5)(NO_(2))](NO_(3))_(2) (iv) [Pt(NH_(3))(H_(2)O)Cl_(2)]

Compare the following complexes with respect to their shape , magnetic behaviour and the hybrid orbitals involved : (i) [CoF_(4)]^(2-) " " (ii) [Cr(H_(2)O)_(2) (C_(2)O_(4))_(2)]^(-) " " (iii) [Ni(CO)_(4)] (Atomic number : Co = 27 , Cr = 24 , Ni = 28)

Draw all the isomers (geometrical and optical) of: (i) [CoCl_(2)(en)_(2)]^(+) (ii) [Co(NH_(3))Cl(en)_(2)]^(2+) (iii) [Co(NH_(3))_(2)Cl_(2)(en)]^(+)

Draw the structure of optical isomers of (i) [PtCl_(2)(en)_(2)]^(2+) (ii). [Cr(NH_(3))_2 Cl_(2)(en)]^(+)

Name of following coordinatin entities and describe their structures : (i) [Fe(CN)_(6)]^(4-) (ii) [Cr(NH_(3))_(4)Cl_(2)]^(+) (iii) [Ni(CN)_(4)]^(2-) [Atomic number Fe = 26 , Cr = 24 , Ni = 28]

The coordination numbers of Co in [Co(Cl)(en)_(2)]Cl is_________________. (en=ethane-1,2-diamine)

How many isomers are possible for the complex [Co(en)_(2)Cl_(2)] (en=ethylene diamine )