Give the oxidation state and co-ordination number of central metal ion in the following comkplexes respectively:
`(P)K_(3)[Co(Co_(2)O_(4))_(3)]" "(Q)cis[Cr(en)_(2)Cl_(2)]Cl`
`(R)(NH_(4))_(2)[CoF_(4)]" "(S)[Mn(H_(2)O)_(6)]SO_(4)`

Give the oxidation state , d-orbital occupation and coordination number iof the central metal ion in the following complexes : (a) K_(3)[Co(C_(2)O_(4))_(3)] (b) (NH_(4))_(2)[CoF_(4)] (c) Cis - [CrCl_(2)(en)_(2)]Cl (d) [Mn(H_(2)O)_(6)]SO_(4)

Give the oxidation state, d-orbitals occupation and coordination number of the central metal ion in the following complexes: (i). K_3[Co(C_2O_4)_3] (ii). cis-[Cr(en)_2Cl_2]Cl (iii). (NH_4)_2[CoF_4] (iv). [Mn(H_2O)]SO_4

Give the correct increasing order of electrical conductivity of aqueous solution of following complex entities : (P)[Pt(NH_(3))_(6)]Cl_(4)" "(Q)[Cr(NH_(3))_(6)]Cl_(3) (R ) [Co(NH_(3))_(4)Cl_(2)]Cl" "(S)[K_(2)[PtCl_(6)]

The oxidation number , d-orbital occupation and co-ordination number of cr in the complex Cis- [Cr(en)_(2)Cl_(2)]Cl are respectively .