Draw the structures of optical isomers of:
(i) `[Cr(C_(2)O_(4))_(3)]^(3-)`
(ii) `[PtCl_(2)(en)_(2)]^(2+)`
(iii) `[Cr(NH_(3))_(2)Cl_(2)(en)]^(+)`

Draw structures of geometrical isomers of [Fe(NH_(3))_(2)(CN)_(4)]^(-)

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: 3,4-dichloro but-1-ene

Draw the structure of Hex-2-en-4-ynoic acid

No. of isomers of [Co(NH_(3))_(2)Cl_(2)(en)]^(+) are

The possible number of optical isomers in [Co(en)_(2)Cl_(2)]^(+) are

Specify the oxidation numbers of the metals in the following coordination entities: (i) [Co(H_(2)O)(CN)(en)_(2)]^(2+) (ii) [CoBr_(2)(en)_(2)]^(+) (iii) [PtCl_(4)]^(2-) (iv) K_(3)[Fe(CN)_(6)] (v) [Cr(NH_(3))_(3)Cl_(3)]

The oxidation state of Cr in [Cr(NH_(3))_(4)Cl_(2)]Cl

Write down the IUPAC name for each of the following complexes and indicate the oxidation state, electronic configuration and coordination number. Also give stereochemistry and magnetic moment of the complex: (i) K[Cr(H_(2)O)_(2)(C_(2)O_(4))_(2)].3H_(2)O (ii) [Co*NH_(3))_(5)Cl.]Cl_(2) (iii) CrCl_(3)(py)_(3) (iv) Cs[FeCl_(4)] (v) K_(4)[Mn(CN)_(6)]