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) K3[Co(C2O4)2 Cl2] (i) 0 (B) [Pt(C2H4)Cl3]- (ii) +1 (C) [Fe(H2O)5NO]SO4 (iii) +3 (D) [Ni(CO)4] (iv) +2

Question

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) K3[Co(C2O4)2 Cl2] (i) 0 (B) [Pt(C2H4)Cl3]- (ii) +1 (C) [Fe(H2O)5NO]SO4 (iii) +3 (D) [Ni(CO)4] (iv) +2 (A) (A) → (ii), (B) → (i), (C) → (iv), (D) → (iii) (B) (A) → (iv), (B) → (ii), (C) → (i), (D) → (iii) (C) (A) → (iii), (B) → (iv), (C) → (ii), (D) → (i) (D) (A) → (i), (B) → (ii), (C) → (iii), (D) → (iv)

Tardigrade Admin · Accepted Answer

(A) K 3[ CO ( C 2 O 4) Cl 2] ⇒ [ CO ( C 2 O 4)2 Cl 2]3- ⇒ m -2(2)-2=-3 m =3 (B) [ Pt ( C 2 H 4) Cl 3]-1 m +0-3=-1 m =+2 (C) [ Fe ( H 2 O )5( NO )]2+ m +1=2 m =1 ( D ) [ Ni ( CO )4] = m +0=0 m =0

$(A) \to (ii), (B) \to (i), (C) \to (i v), (D) \to (iii)$

$(A) \to (i v), (B) \to (ii), (C) \to (i), (D) \to (iii)$

$(A) \to (iii), (B) \to (i v), (C) \to (ii), (D) \to (i)$

$(A) \to (i), (B) \to (ii), (C) \to (iii), (D) \to (i v)$

(A) $K_{3} [CO (C_{2} O_{4}) C l_{2}]$
$\Rightarrow [CO (C_{2} O_{4})_{2} C l_{2}]^{3 -}$
$\Rightarrow m - 2 (2) - 2 = - 3$
$m = 3$
(B) $[Pt (C_{2} H_{4}) C l_{3}]^{- 1}$
$m + 0 - 3 = - 1$
$m = + 2$
(C) $[F e (H_{2} O)_{5} (NO)]^{2 +}$
$m + 1 = 2$
$m = 1$
$(D) [N i (CO)_{4}]$
$= m + 0 = 0$
$m = 0$

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)	$[Pt (C_{2} H_{4}) C l_{3}]^{-}$	(ii)	$+ 1$
(C)	$[F e (H_{2} O)_{5} NO] S O_{4}$	(iii)	$+ 3$
(D)	$[N i (CO)_{4}]$	(iv)	+2

(A)→(ii),(B)→(i),(C)→(iv),(D)→(iii)

(A)→(iv),(B)→(ii),(C)→(i),(D)→(iii)

(A)→(iii),(B)→(iv),(C)→(ii),(D)→(i)

(A)→(i),(B)→(ii),(C)→(iii),(D)→(iv)

(A) K3​[CO(C2​O4​)Cl2​] ⇒[CO(C2​O4​)2​Cl2​]3− ⇒m−2(2)−2=−3 m=3 (B) [Pt(C2​H4​)Cl3​]−1 m+0−3=−1 m=+2 (C) [Fe(H2​O)5​(NO)]2+ m+1=2 m=1 (D)[Ni(CO)4​] =m+0=0 m=0

$(A) \to (ii), (B) \to (i), (C) \to (i v), (D) \to (iii)$

$(A) \to (i v), (B) \to (ii), (C) \to (i), (D) \to (iii)$

$(A) \to (iii), (B) \to (i v), (C) \to (ii), (D) \to (i)$

$(A) \to (i), (B) \to (ii), (C) \to (iii), (D) \to (i v)$

(A) $K_{3} [CO (C_{2} O_{4}) C l_{2}]$
$\Rightarrow [CO (C_{2} O_{4})_{2} C l_{2}]^{3 -}$
$\Rightarrow m - 2 (2) - 2 = - 3$
$m = 3$
(B) $[Pt (C_{2} H_{4}) C l_{3}]^{- 1}$
$m + 0 - 3 = - 1$
$m = + 2$
(C) $[F e (H_{2} O)_{5} (NO)]^{2 +}$
$m + 1 = 2$
$m = 1$
$(D) [N i (CO)_{4}]$
$= m + 0 = 0$
$m = 0$