Give the oxidation state, $d$ orbital occupation and coordination number of the central metal ion in the following complexes:
(i) $K_{3} [C o (C_{2} O_{4})_{3}]$ (ii) $c i s - [C r C l_{2} (e n)_{2}] C l$ (iii) $(N H_{4})_{2} [C o F_{4}]$ (iv) $[M n (H_{2} O)_{6}] S O_{4}$

Open in App

Solution

(i) Oxidation state = +3. Coordination number = 6.
$C o (I I I) : 3 d^{6} : t_{2 g}^{6} e_{g}^{o}$
(ii) Oxidation state = +3. Coordination number = 6.
$C r (I I I) : 3 d^{3} : t_{2 g}^{3}$
(iii) Oxidation state +2. Coordination number = 4
$C o (I I) : d^{7} : e^{4} t_{2}^{3}$
(iv) Oxidation state = + 2. Coordination number = 6
$M n (I I) : d^{5} t_{2 g}^{3} e_{g}^{2}$

Suggest Corrections

Similar questions

Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complexes:

(i) K₃[Co(C₂O₄)₃]

(ii) cis-[Cr(en)₂Cl₂]Cl

(iii) (NH₄)₂[CoF₄]

(iv) [Mn(H₂O)₆]SO₄

Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complexes:
$K_{3} [C o (C_{2} O_{4})_{3}]$

$(N H_{4})_{2} [C o F_{4}]$

$C i s - [C r (e n)_{2} C l_{2}] C l$

$[M n (H_{2} O)_{6}] S O_{4}$

Q. The coordination number and oxidation number of the central metal ion in the complex

(N H_{4})_{2} [P t (C l)_{6}]

is :

Q. Match the complexes given in column I with the oxidation states of central metal atoms given in column II and mark the appropriate choice.

	Column I ( Complex)		Column II ( Oxidation state of central atom )
(A)	$K_{3} [C O (C_{2} O_{4})_{2} C l_{2}]$	(i)	$0$
(B)	$[P t (C_{2} H_{4} C l_{3}]^{-}$	(ii)	$+ 1$
(C)	$[F e (H_{2} O)_{5} N O] S O_{4}$	(iii)	$+ 3$
(D)	$[N i (C O)_{4}]$	(iv)	$+ 2$

Q. Specify the oxidation numbers of the metals in the following coordination entities:
(i)

[C o (H_{2} O) (C N) (e n)_{2}]^{2 +}

(ii)

[C o B r_{2} (e n)_{2}]^{+}

(iii)

[P t C l_{4}]^{2 -}

(iv)

K_{3} [F e (C N)_{6}]

(v)

[C r (N H_{3})_{3} C l_{3}]

Join BYJU'S Learning Program

Give the oxidation state, d orbital occupation and coordination number of the central metal ion in the following complexes:(i) K3[Co(C2O4)3] (ii) cis−[CrCl2(en)2]Cl (iii) (NH4)2[CoF4] (iv) [Mn(H2O)6]SO4

(i) Oxidation state = +3. Coordination number = 6.Co(III):3d6:t62geog(ii) Oxidation state = +3. Coordination number = 6.Cr(III):3d3:t32g(iii) Oxidation state +2. Coordination number = 4Co(II):d7:e4t32(iv) Oxidation state = + 2. Coordination number = 6Mn(II):d5t32ge2g

Give the oxidation state, $d$ orbital occupation and coordination number of the central metal ion in the following complexes:
(i) $K_{3} [C o (C_{2} O_{4})_{3}]$ (ii) $c i s - [C r C l_{2} (e n)_{2}] C l$ (iii) $(N H_{4})_{2} [C o F_{4}]$ (iv) $[M n (H_{2} O)_{6}] S O_{4}$