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Introduction to CFT

Among the fol...

Question

Among the following complexes (K-P), $K_{3} [F e (C N)_{6}] (K),$ $[C o (N H_{3})_{6}] C l_{3} (L), N a_{3} [C o (o x a l a t e)_{3}]^{- 3}, [N i (H_{2} O)_{6}] C l_{2} (N),$
$K_{2} [P t (C N)_{4}] (O) and [Z n (H_{2} O)_{6}] (N O_{3})_{2} (P),$ the diamagnetic complexes are

A

L, M, N, O

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B

K, L, M, N

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C

K, M, O, P

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D

L, M, O, P

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Solution

The correct option is D L, M, O, P
$\begin{matrix} [C o (N H_{3})_{6}] C l_{3} & d^{2} s p^{3} & diamagnetic N a_{3} [C o (O X)_{3}] & d^{2} s p^{3} & diamagnetic K_{2} [P t (C N)_{4}] & d s p^{2} & diamagnetic [Z n (H_{2} O)_{6} (N O_{3})_{2} & s p^{3} d^{2} & diamagnetic \end{matrix}$

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Similar questions

Q. Among the following complexes

(K - P) K_{3} [F e (C N)_{6} (K), [C o (N H_{3})_{6}] C l_{3} (L), N a_{3} [C o (o x a l a t e)_{3}] (M), [N i (H_{2} O)_{6}] C l_{2} (N), K_{2} [P t (C N)_{4}] (O) and [Z n (H_{2} O)_{6}] (N O_{3})_{2} (P)

. The diamagnetic complexes are-

Q. Among the following complexes (K-P) :

K_{3} [F e (C N_{6}] - K

[C o (N H_{3})_{6}] C l_{3} - L

N a_{3} [C o (o x a l a t e)_{3}] - M

[N i (H_{2} O)_{6}] C l_{2} - N

K_{2} [P t (C N)_{4}] - O

[Z n (H_{2} O)_{6}] (N O_{3})_{2} - P

;
the diamagnetic complexes are:

Q. Among the following complexes, the diamagnetic complexes are:

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

(L) : [C o (N H_{3})_{6}] C l_{3}

(M) : N a_{3} [C o (o x a l a t e)_{3}]

(N) : [N i (H_{2} O)_{6}] C l_{2}

(O) : K_{2} [P t (C N)_{4}]

(P) : [Z n (H_{2} O)_{6}] (N O_{3})_{2}

Q. Which one is more stable in the following pairs of complexes? Give reasons.
i)

[C o (N O_{2})_{6}]^{4 -}

[C o (N O_{2})_{6}]^{3 -}

K_{4} [F e (C N)_{6}]

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

[C O (H_{2} O)_{6}]^{2 +}

[C O (N H_{3})_{6}]^{2 +}

Q. The equilibrium constants for the two complex formation are :

4 K^{+} + F e {(C N)}_{6}^{4 -} ⟶ K_{4} [F e {(C N)}_{6}]; K = 3.8 \times 10^{- 38}

3 K^{+} + F e {(C N)}_{6}^{3 -} ⟶ K_{3} [F e {(C N)}_{6}]; K = 5 \times 10^{- 18}

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