Identify the complex which are expected to be coloured Explain
(a) `[Ti(NO_(3))_(4)]`
(b) `[Cu(NCH_(3))]^(o+) BF_(4)^(Θ)`
(c ) `[Cr(NH_(3))_(6)]^(3+) 3CI^(Θ)`
(d) `K_(3)[VF_(6)]` .

Identify the complexes which are expected to be coloured. a. [Ti(NO_(3))_(4)] , b. [Cu(NC CH_(3))_(4)]^(o+) BF_(4)^(ɵ) c. [Cr(NH_(3))_(6)]^(3+)3Cl^(ɵ) , d. K_(3)[VF_(6)]

Identify the complexes which are expected to be coloured. a. [Ti(NO_(3))_(4)] , b. [Cu(NC CH_(3))_(4)]^(o+) BF_(4)^(ɵ) c. [Cr(NH_(3))_(6)]^(3+)3Cl^(ɵ) , d. K_(3)[VF_(6)]

Identify the complex which are coloured and which are colourless Explain [Cr(NH_(3))_(5)(NCS)][ZnCI_(4)] (b) [Ti(NO_(3))_(4)] (c ) [Cu(NC-CH_(3))_(4)]^(o+)BF_(4)^(o+) (d) [Cr(NH_(3))_(6)]^(3+)3CI^(Θ) (e) K_(3)[VF_(6)] .

Identify the complex which are coloured and which are colourless Explain (a) [Cr(NH_(3))_(5)(NCS)][ZnCI_(4)] (b) [Ti(NO_(3))_(4)]

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)]

Indicate the oxidation state of the central metal ion in each of the following complex (a) [Cu(NH_(3))_(4)]^(2+) (b) [Cu(Br_(4))]^(2-) (c ) [Cu(CN)_(2)]^(Θ) (d) [Cu(NH_(3))_(4)CO_(3)]^(o+) (e) [PtCI_(4)]^(2-) (f) [Co(NH_(3))_(2)(NO_(2))_(4)]^(Θ) (g) Fe(CO)_(5)) (h) [ZnCI_(4)]^(2-) (i) [Fe(en)_(3)]^(2+) .