State the kind of isomerism possible for the following
`[Cr(en)_(3)]^(3+)`
(ii) `[Cr(NH_(3))_(4)CI(Br)]^(+)`
(iii)`[Cr(NH_(3))_(4)Br_(2)]_(2)SO_(4)`

How will you distinguish between the following isomer pairs (a) [CoBr(NH_(3))_(5)]SO_(4) and [Co(SO_(4)) (NH_(3))_(5)]Br (b) [Cr(H_(2)O)_(6)]Cl_(3) and [CrCl(H_(2)O)_(5)]Cl_(2)H_(2)O (C) State the kind of isomerism possible for the following: (i) [Cr(en)_(3)]^(3+) (ii) [Cr(NH_(3))_(4)Cl(Br)]^(+) (iii) [Cr(NH_(3))_4Br_(2)]SO_(4)

Name the type of isomerism exibited by the following isomers : (1) [Cr(NH_(3))_(6)][Cr(CN)_(6)] and [Cr(NH_(3))_(4)(CN)_(2)][Cr(NH_(3))_(2)(CN)_(4)] (2) [Co(py)_(2)(H_(2)O)_(2)Cl_(2)]Cl and [Co(py)_(2)(H_(2)O)Cl_(3)]H_(2)O (3) [Pt(NH_(3))_(4)Br_(2)]Cl_(2) and [Pt(NH_(3))_(4)Cl_(2)]Br_(2) (4) [Co(NH_(3))_(5)NO_(2)]Cl_(2) and [Co(NH_(3))_(5)ONO]Cl_(2)

How many isomers are possible for the complex ion [Cr(NH_(3))(OH)_(2)Cl_(3)]^(2-) ?

Two research students were instruced intructed to synthesise the complex [Co(NH_(3))_(5)(NO_(2))]Br_(2) They synthesised the complexes with identical molecular formula molar mass geometry conductane and spin but they differed in colour Based on the above facts answer the following questions Complexes synthesised can be (i) [Cr(NH_(3))_(5)(NO_(2))Br_(2) ,(ii) [Cr(NH_(3))_(5)(ONO)]Br_(2) (iii) [Cr(NH_(3))_(5)Br_(2)]NO_(2) (iv) All of these .

What type of isomerism is exhibited by the following pairs of compounds : [PtCl_(2)(NH_(3))_(4)]Br_(2) and [PtBr_(2)(NH_(3))_(4)]Cl_(2)

Name of the type of isomerism exhibited by the following pairs of compounds : [Co(NH_(3))_(6) [Cr(CN)_(6)] and [Cr(NH_(3))_(6)] [Co(CN)_(6)]

Cr(OH)_(3) darr+NH_(3)(Excess) to [Cr(NH_(3))_(6)]^(3+)

Cr(OH)_(3) darr+NH_(3)(Excess) to [Cr(NH_(3))_(6)]^(3+)

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

Name of the following compounds (a) [Cr(en)_(2)CI_(2)]CI (b ) [Pt(Py)_(4)][PtCI_(4)]