The formula of hexaamminecobalt(III)sulphate is
`[Co(NH_(3))_(6)]SO_(4)`
`[Co(NH_(3))_(6)]_(3)(SO_(4))_(2)`
`[Co(NH_(3))_(6)]_(2)(SO_(4))_(3)`
`[Co(NH_(3))_(6)]_(2)SO_(4)`

[CoNH_(3))_(5)CI]SO_(4) and [Co(NH_(3))_(5)SO_(4)] CI are

[Co(NH_(3))_(5)NO_(2)]SO_(4) shows

0.001 mol of Cr(NH_(3))_(5)(NO_(3))(SO_(4)) was passed through a cation exchanger the acid coming out of it reguired 20mL of 0.1M NaoH for netralisation Hence the complex is [Cr(NH_(3))_(5)SO_(4)]NO_(3) (b) [Cr(NH_(3))_(5)NO_(3)]SO_(4) (c ) [Cr(NH_(3))_(5)(SO_(4))](NO_(3) (d) [Co(NH_(3))_(5)Br]SO_(4) .

The shape of [Co(NH_(3))_(6)]^(3+) is

When one mole of CoCl_(3).5NH_(3) was treated with excess of silver nitrate solution, 2 mol of AgCl was precipitated. The formula of the compound is: (a) [Co(NH_(3))_(5)Cl_(2)]Cl (b) [Co(NH_(3))_(5)Cl]Cl_(2) (c) [Co(NH_(3))_(4)Cl_(2)](NH_(3))Cl (d) [Co(NH_(3))_(3)Cl_(3)](NH_(3))_(2)

Arrange the following compounds in order of increasing molar conductivity . (i) K[Co(NH_(3))_(2)(NO_(2))_(4)]" " (ii) [Cr(NH_(3))_(3)(NO_(2))_(3)] (iii) [Cr(NH_(3))_(5)(NO_(2))]_(3)[Co(NO_(2))_(6)]_(2)" " (iv) [Cr(NH_(3))_(6)]Cl_(3)

[Co(NH_(3))_(5)SO_(4)]Br and [Co(NH_(3))_(5)Br]SO_(4) shown _________isomerism .

Calucultae the freezing point of the solution containing 24.8g solute per kg water for each of the following solutes K_(f) = 1.86C//m (a) [Co(NH_(3))(NO_(2)_(3)] (b) [Co(NH_(3))_(4)(NO_(2))][Co(NH_(3))(NO_(2))_(4)] (c ) [Co(NH_(3))_(5)(NO_(2))[Co(NH_(3))(NO_(2))_(4)]^(2) [Mw of (a) 248g (b) 496 g (c ) 744 g]

Total number of paramagnetic complexes which are inner orbital complexes : (i) [Cr(NH_(3))_(6)]Cl_(3) " " (ii)[Co(NH_(3))_(6)](NO_(3))_(2)" " (iii)[Ni(NH_(3))_(6)]SO_(4) (iv) K_(2)[PtCl_(6)]. " " (v) [V(H_(2)O)_(6)]SO_(4) " " (vi) [Mn(NH_(3))_(6)]SO_(4) (vii)[Fe(H_(2)O)_(5)(NO)]SO_(4) " " (viii)K_(3)[CuCl_(4)]" " Na_(4)[Fe(CN)_(5)(NOS)]

Arrange the following complexes in the increasing order of conductivity of their solution [Co(NH_(3))_(3)Cl_(3)], [Co(NH_(3))_(4)Cl_(2)]Cl, [Co(NH_(3))_(6)]Cl_(3), [Cr(NH_(3))_(5)Cl] Cl_(2)